open

Word family  noun the open opener opening openness adjective open opening unopened verb open adverb openly

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Trade, Clothes

o·pen1 /ˈəʊpən $ ˈoʊ-/ ●●● S1 W1 adjective  1  door/container etc 门/容器等OPEN not closed, so that things, people, air etc can go in and out or be put in and out 开着的，打开的 OPP closed, shut He threw the door open and ran down the stairs. 他猛地打开门，往楼下跑去。 an open window 打开的窗户 The gates swung silently open. 大门悄悄地打开了。 The bar door flew open and a noisy group burst in. 酒吧的门猛地弹开，冲进来一群吵吵闹闹的人。 All the windows were wide open (=completely open). 所有的窗户都大开着。 She looked at the open suitcase with surprise. 她惊讶地看着打开的手提箱。 There was an open bottle of wine on the table. 桌上有一瓶打开的葡萄酒。2  eyes/mouth 眼睛/嘴OPEN not closed, so that your eyelids or your lips are apart 〔眼睛或嘴〕未合上的，张开的 I was so sleepy, I couldn’t keep my eyes open. 我困得眼睛都睁不开了。 He was fast asleep with his mouth wide open. 他大张着嘴，睡得很熟。3  not enclosed 未围住的 [only before noun]SHOW/LET somebody SEE something not enclosed, or with no buildings, walls, trees etc 开阔的，未围上的 There was open ground at the end of the lane. 小巷的尽头有一片开阔地。 open spaces such as parks and gardens 像公园和花园这类空地open countryside/country At weekends people want to leave the town for open countryside. 到了周末，人们就想离开城镇到开阔的乡村去。 A shoal of fish swam past heading for the open sea (=part of the sea away from land). 一群鱼游过，朝外海游去。 The car’s performance is good, especially going fast on the open road (=a road without traffic where you can drive fast). 这辆车性能不错，在畅通无阻的道路上快速行驶时尤其出色。4  not covered 无遮盖的COVER without a roof or cover 无顶的，无遮盖的 The president was riding with his wife in an open car. 总统和他的夫人乘坐一辆敞篷车。 Martin was struggling with the sails on the open deck. 马丁在露天甲板上费力地扯着船帆。 an open drain 排水明沟open to the sky/air/elements Many of the tombs had been robbed and left open to the sky. 许多坟墓被盗，裸露在青天白日之下。5  the open air OUT/OUTSIDEoutdoors 户外，室外，露天in the open air The dancing was outside, in the open air. 舞会在户外举行。 Jane wanted to rush to the door and get out into the open air. 简很想冲到门口，到外面去。 → open-air6  business/building etc 生意/大楼等 [not before noun]BBTREADY ready for business and allowing customers, visitors etc to enter 开放的，营业的 OPP closed, shut The museum is open daily in the summer months. 夏季里这座博物馆每天开放。 The offices are also open at weekends. 办事处周末照常营业。 After the security alert, most of the firms affected were open for business on Monday morning. 安全警报过后，大多数受到影响的公司都在星期一上午恢复营业。 The villagers are anxious that their local school is kept open. 村民们非常希望他们当地的学校能够继续办下去。 I declare this exhibition open (=officially say that it is now open). 我宣布本次展览会开幕。7  not restricted 不受限制的FREE TO DO WHAT YOU WANT allowing everyone, or everyone in a group, to take part in something, know about something, or have a chance to win something 人人都可参加的，对公众开放的open to The competition is open to all readers in the UK. 英国的所有读者都可以参加这次比赛。 In many schools, governors’ meetings are not open to the public. 在许多学校，董事会议是不对公众开放的。 The discussion was then thrown open for the audience’s questions. 这场讨论后来变成开放式，接受听众的提问。 an open meeting 开放式会议 The men’s race appears wide open (=anyone could win it). 这场男子赛跑胜负未定。 The painting would fetch several hundred dollars on the open market (=a market in which anyone can buy or sell). 这幅画在公开市场上可卖到好几百美金。8  opportunity 机会 [not before noun]AVAILABLE if an opportunity, a possible action, a job etc is open to you, you have the chance to do it 〔机会、可能的行动、工作等〕可用的；可拥有的 The job is being kept open for her. 她仍有机会得到这份工作。open to The 1960s was a period when greater opportunities were open to women. 20世纪60年代，女性有了更多的机会。 So what other options are open to us? 那么我们还有什么其他的选择？ There is only one course of action open to the local authority. 地方当局只有一个办法可以采用。9  not secret 不保密的 [only before noun]HIDE/NOT SHOW actions, feelings, intentions etc that are open are not hidden or secret 公开的，不加掩饰的 Her father watched her with open admiration. 她父亲以不加掩饰的赞赏目光看着她。 open hostility between the two nations 两国之间公开的敌对状态 The party was calling for more open government (=when the government makes information freely available). 该政党呼吁要有更多的政务公开。 The case will be tried in open court (=in a court where everything is public). 这个案子将进行公开审理。 It is an open secret (=it is supposed to be secret, but most people know about it) that she is having an affair with another man. 她和另一个男人有染已是公开的秘密。10  honest 诚实的HONEST honest and not wanting to hide any facts from other people 坦率的，坦诚的open with The couple are quite open with each other about their feelings. 这对夫妻彼此之间开诚布公。open about She was quite open about her ambitions. 她对自己的志向相当坦白。 his friendly, open manner 他那友善而坦诚的态度► see thesaurus at honest11  clothes 衣服DCCFASTEN/DO UP not fastened 未系好的，未扣上的 the open neck of his shirt 他敞开的衬衫领口 She was wearing an open jacket. 她敞着身上的夹克。12  not yet decided 未决定的DECIDE needing more discussion or thought before a decision can be made 未定的，待决定的 The matter remains an open question. 这件事仍待确定。open to The new rates of pay are open to negotiation. 新的工资还有待商议。 The test results are open to interpretation. 化验结果有待解释。keep/leave your options open Officers investigating her death are keeping their options open. 调查她死因的警员暂时未下定论。13  open to something a) PROBABLYlikely to suffer from something or be affected by something 易受某事物损害的，容易被某事物影响的 The magazine’s editor is open to criticism in allowing the article to be printed. 该杂志的编辑会因允许刊登此文而遭受批评。 The regulations are open to abuse by companies. 这些法规很容易被各公司滥用。 He has left himself open to accusations of dishonesty. 他使自己陷于被人指责为不诚实的境地。 b) SUGGESTwilling to consider something new or to accept something new 乐于接受某新事物的 Teachers need to be open to children’s ideas. 教师要乐于倾听儿童的各种想法。 The committee is open to suggestions. 该委员会乐于接受各种建议。 The owners of the building want to sell and are open to offers. 业主想要出售大楼并欢迎报价。14  not blocked 未被封堵的TTRTC if a road or line of communication is open, it is not blocked and can be used 可通行的；畅通的 We try to keep the mountain roads open all through the winter. 我们力图保持山路在整个冬季都畅通。15  spread apart 展开的 spread apart instead of closed, curled over etc 展开的，伸开的 At night the flowers were open. 夜里花开了。 Johnson raised an open hand. 约翰逊举起摊开的手掌。 He was sitting in bed with a book lying open (=with its pages apart so it can be read) on his knees. 他坐在床上，腿上放着一本摊开的书。16  an open mind INDEPENDENT PERSONif you have an open mind, you deliberately do not make a decision or form a definite opinion about something 开放的思想，不怀有成见 It’s important to keep an open mind as you study the topic. 研究这个题目时，不抱成见很重要。17  be open to question/doubt NOT SUREif something is open to question, there are doubts about it 有疑问，令人怀疑 Whether the new situation is an improvement is open to question. 这一新局面是否算是一种改善仍令人怀疑。18  welcome/greet somebody/something with open arms FRIENDLYto be very pleased to see someone or something 热烈地欢迎/迎接某人/某事物 Mike will be welcomed back into the team with open arms. 迈克归队将受到热烈的欢迎。19  an open invitation a) VISITan invitation to visit someone whenever you like 随时可以来访的邀请 b) EASYsomething that makes it easier for criminals to steal, cheat etc 容易引来犯罪分子的情况an open invitation to The lack of security measures provides an open invitation to crime. 缺乏安全措施为犯罪分子提供了可乘之机。20  be an open book KNOW somethingto be something that you know and understand very well 是…非常熟悉的事物，是…很了解的事物 The natural world was an open book to him. 他对自然界了如指掌。21  the door is open there is an opportunity for someone to do something 大有机会，大门敞开着the door is open to Schoolgirls are being told that the door is open to them to pursue careers in science. 女学生们被告知，她们是有机会从事科学事业的。22. keep your eyes/ears open NOTICEto keep looking or listening so that you will notice anything that is important, dangerous etc 睁大眼睛看/竖起耳朵听〔以便注意到重要的、危险的等事情〕23. open weave/texture TIMcloth with an open weave or texture has wide spaces between the threads 〔织物的〕稀松织法/质地 → keep an eye open (for something) at eye1(14), → with your eyes open at eye1(19), → open-eyed

Examples from the Corpus

open• Highway 5 is blocked by snow, but Route 35 remains open.• I was so tired I could hardly keep my eyes open.• Like a foot in the door, they can leave a channel stuck open.• She lay on her stomach, tangled in sheets, eyes closed and mouth open.• Ben was staring at her with his mouth wide open.• Diana's very easy to talk to because she's so open.• Greg has always been very open about his sexuality.• I am bothered by your open admiration of these criminals.• Only then, in the shock of the open air at last, did we break ranks and go our separate ways.• Outside, in the open air, it was glorious.• Do you know you left the window wide open all night?• As her mouth fell innocently open and her body relaxed, Ludovico Castelfranco examined her closely.• Emily realised that her handbag was open and her money gone.• I try to be open and honest with my employees and let them know exactly what's going on.• Bill's white shirt was open at the collar.• an open carriage• frank and open discussions• I'm sorry, but the doctor doesn't have anything open for this afternoon.• He's a nice looking young man with a open, honest smile.• Her blouse came open in front of a nationwide TV audience!• He had a very open nature.• A book lay open on the table.• an open sewer• The result is a more free-flowing, open sound.• an open staircase• He would lie there quietly, eyes wide open, taking from her skin what he needed.• The inquest jury returned an open verdict because of conflicting evidence.• Carrie stood in front of the open window.wide open• She left the door wide open.• Sherman stared at the man with his eyes wide open.• After the stale fug in the tiny cabin, she gulped down the clean sea air, the car window wide open.• I will say this only once and I hope your cars are wide open.• The snap showed Jennifer with eyes closed and mouth wide open.• Their eyes are wide open as they pass the object round.• Leave the window wide open in winter; turn off the airconditioning in summer.• When I came into the hall, his eyes were wide open, staring straight at me.• His eyes seemed darker blue and more wide open than usual.• Some of the villa front doors were wide open to him.wide open• After the stale fug in the tiny cabin, she gulped down the clean sea air, the car window wide open.• I will say this only once and I hope your cars are wide open.• The snap showed Jennifer with eyes closed and mouth wide open.• Their eyes are wide open as they pass the object round.• Leave the window wide open in winter; turn off the airconditioning in summer.• When I came into the hall, his eyes were wide open, staring straight at me.• Some of the villa front doors were wide open to him.open road• Do you relish the prospect of the open road?• We ate in the fields or on the open road.• And it has opened roads and bridges destroyed during the fighting.• Daniel Boone heard it: the siren song of the open road, beckoning him to pack up and go.• The current barrier was installed in 1972, after residents submitted a petition saying the open road caused traffic hazards.• On the open road, it's no use pretending that the Bentley handles with the agility of a Porsche.• If your equipment has to go outside on open roads or gravelled surfaces, remember castors are not always suitable.• Racing on open roads was subsequently banned and the great Paris races came to an end.open to the sky/air/elements• An open doorway on the opposite side gave a bright rectangular view of an area of beaten earth open to the sky.• Not necessarily fully air-conditioned and heated, but at least no longer open to the elements.• The chancel is open to the sky.• The toilets and urinals were to the left of this section - the urinals being roofless and thus open to the elements.• They bend their heads right back until their faces are entirely open to the sky.• This was a covering curtain with a central aperture which left the arena open to the sky.• The frigidarium was presumed to be open to the sky and contained a large open-air swimming bath.• Part of it was open to the sky, so that a wedge of scalding light fell into the gloom.open for business• It was quite possible that it would be still open for business.• Just so; think of it as your local True Value, open for business.• What she liked about the shop was that it was open for business on every day of the year.• The establishment was not open for business on Sunday.• I know of a drive-in theater that opened for business one evening in 1981, and not a single car turned up!• The first will run between Bury and Victoria railway station as the £130 million Metrolink system opens for business this morning.• The new University of California campus and the Salk Institute were opening for business, with shipments of intellectuals arriving daily.the open market• Any dwellings not taken up within a specified time are placed on the open market.• If the Bank wishes to reduce the money supply it will sell securities through its broker on the open market.• It is likely to be some years before such a product is on the open market.• It will sell the rest on the open market.• The oil would not be sold directly on the open market.• The OEWs are proprietary devices available from several suppliers on the open market so they do not rank as critical technology.• Priced on the open market, they would sell for tens and tens of billions of dollars.• It said that the capital's availability in the open market was doubtful and suspect.options ... open• As John Tooby has pointed out, parasites simply can not keep their options open.• At the end of the season, I will keep my options open.• If you do not know exactly what is going to happen it is well to keep your options open.• These are still very early days and the options are wide open.• This leaves secondary schools with the question of what options are left open.• You need to keep your options open in order to change courses at a moment's notice.• Some companies are keeping their options open on retaining or dumping anachronistic names.• With customary caution, he is keeping his options open while the issue is still in the political incubator.an open secret• It is an open secret, however, that soldiers are not to arrest war criminals they encounter.• Hamel's marriage breakdown had been an open secret long before it was reported in the paper.• It is an open secret that he and Reg Pybus are bosom pals.• It was an open secret that the marriage had become a complete sham, Watson.open with• The story opens with the family's arrival in Boston from another city.• I've been very open with you, and I would appreciate your support.keep/leave your options open• At the end of the season, I will keep my options open.• Either way, you can keep your options open.• Flexibility is key, keeping your options open.• Many young people want to keep their options open.• We must expect to be surprised in the future, and we must keep our options open.• The band is keeping its options open, and doesn't rule out the possibility of another tour.• You need to keep your options open in order to change courses at a moment's notice.• Some companies are keeping their options open on retaining or dumping anachronistic names.• We want to keep our options open until the last possible minute.keep ... open• Many young people want to keep their options open.• The relationship between the parents must be given priority, to keep communication open.• Labour has vowed to keep the Works open if it wins control of the Council at the next election.• Police say they're keeping an open mind.• Keep your eyes open, so that you see more than what is just in front of you.• White even tried to keep one branch open until midnight and to put a Laundromat in another.• With customary caution, he is keeping his options open while the issue is still in the political incubator.• Without the added income from investments, though, organization directors say keeping the doors open would be difficult.

Related topics: Trade, Business, Computers

open2 ●●● S1 W1 verb  1  door/window etc 门/窗等 [intransitive, transitive]OPEN to move a door, window etc so that people, things, air etc can pass through, or to be moved in this way 开，打开 Jack opened the window. 杰克打开窗户。 He opened the drawer of the desk. 他拉开书桌的抽屉。 She heard a door open and then close. 她听到有扇门开了又关上。2  container/package 容器/包裹 [transitive]OPEN to unfasten or remove the lid, top, or cover of a container, package etc 打开；撕开；揭开 Louise opened a bottle of wine. 路易丝开了一瓶葡萄酒。 He opened the letter and began to read it. 他打开信读了起来。 The children were opening their presents. 孩子们在拆礼物。 Mark was about to open a beer when the doorbell rang. 马克正要开一瓶啤酒，这时门铃响了。3  eyes 眼睛OPEN [intransitive, transitive] to raise your eyelids so that you can see, or to be raised in this way 睁开 Barry was awake long before he opened his eyes. 巴里睁开眼睛之前早就醒了。 Carrie smelled coffee and her eyes opened reluctantly. 卡丽闻到了咖啡的味道，这才勉强睁开了眼睛。4  mouth 嘴OPEN [intransitive, transitive] to move your lips apart, or to be moved in this way 张开 He opened his mouth but couldn’t think what to say. 他张开嘴，但想不出该说什么。5  start operating 开始运作 [intransitive, transitive] (also open up)BBTSTART something/MAKE something START if a place such as an office, shop, restaurant etc opens or is opened, it starts operating or providing a service 〔公司、商店、餐馆等〕开张，开业 Sarah had recently opened an office in Genoa. 萨拉最近在热那亚开办了一个办事处。 French and Scandinavian offices are due to open in the autumn. 法国和斯堪的纳维亚的办事处将在秋天开始办公。 The Forestry Commission has opened a plant centre selling rare plants. 林业委员会开设了一个植物中心出售稀有植物。 The centre has been a great success since it opened its doors a year ago. 新艺术中心自一年前开张以来经营得很成功。► see thesaurus at establish 6  shop/restaurant etc 商店/餐厅等 [intransitive] (also open up)BSTART DOING something to start business, letting in customers or visitors, at a particular time 开始营业 What time do the banks open? 银行什么时候开门营业？ The bakery opens early. 这家面包店开门很早。7  start an activity 开始某项行动START something/MAKE something START [transitive] to start an activity, event, or set of actions 着手，开始 The US attorney’s office has opened an investigation into the matter. 美国联邦检察官已对此事展开了调查。 An inquest into the deaths will be opened next week. 死因调查将于下周开始。8  computer 计算机 [transitive] to make a document or computer program ready to use 打开，开启〔计算机文件或程序〕 Click on this icon to open the File Manager. 点击这个图标打开文件管理器。9  meeting/event 会议/事件 [intransitive, transitive]START something/MAKE something START if a meeting etc opens or is opened in a particular way, it starts in that way (使)〔会议等〕开幕，(使)开始 Hughes, opening the Conference, made a dramatic plea for peace. 休斯在大会开幕时对和平的呼吁令人印象深刻。open with The concert opens with Beethoven’s Egmont Overture. 音乐会以贝多芬的《埃格蒙特序曲》开场。10  official ceremony 正式典礼 [transitive]PGOSTART something/MAKE something START to perform a ceremony in which you officially state that a building is ready to be used 为〔大楼等〕举行揭幕典礼；宣布…落成 The new County Hall building was officially opened by the King. 郡议会新大楼由国王正式宣布落成。 11  spread/unfold 张开/展开 [intransitive, transitive]OPEN to spread something out or unfold something, or to become spread out or unfolded 展开，张开 She opened her umbrella. 她打开伞。 John opened his hand to show her he wasn’t holding anything. 约翰摊开手掌，给她看他什么也没拿。 The flowers only open during bright weather. 这种花只在晴朗的天气里开放。 I sat down and opened my book. 我坐下来打开书本。 She opened the curtains (=pulled the two curtains apart). 她拉开帘子。 Dave opened his arms (=stretched his arms wide apart) to give her a hug. 戴夫张开双臂拥抱她。12  make a way through 打开通道 [transitive]TTR to make it possible for cars, goods etc to pass through a place 开通，开放〔使汽车、货物等通过〕 They were clearing away snow to open the tunnel. 他们在清扫积雪使隧道能够通行。 The peace treaty promises an end to war and opens the borders between the two countries. 这份和约承诺结束战争并开放两国的边境。13  film/play etc 电影/戏剧等 [intransitive]START TO HAPPEN, EXIST ETC to start being shown to the public 开始公映[公演] Paula and Rachael star as mother and daughter in the play, which opens tonight. 葆拉和雷切尔在今晚首演的剧中饰演一对母女。 The film opened yesterday to excellent reviews. 这部影片昨天公映，获得佳评。► see thesaurus at start14  open an account BFBto start an account at a bank or other financial organization by putting money into it 开立账户 Mary was in the bank to ask about opening a current account. 玛丽在银行里询问开立活期存款账户的事。15  open fire (on something) PMWSHOOTto start shooting at someone or something (向…)开火 Troops opened fire on the rioters. 军队向暴徒开火。16  open the door/way to something  (also open doors)CHANCE/OPPORTUNITY to make an opportunity for something to happen 给某事物以机会，给某事物敞开方便之门 Research on genes should open the door to exciting new medical treatments. 基因研究应该会为开发令人振奋的新疗法创造机会。 If the record is successful, it could open doors for my career. 这张唱片如果畅销，就能为我的事业打开成功之门。17  open somebody’s eyes (to something) REALIZEto make someone realize something that they had not realized before 使某人认清[了解](某事) The purpose of the training is to open managers’ eyes to the consequences of their own behaviour. 此次培训的目的是要让管理人员认识到自身行为的后果。18. open your mind (to something) THINK ABOUTto be ready to consider or accept new ideas 乐于考虑[接受]〔新观念〕19. open your heart (to somebody) TRUSTto tell someone your real thoughts and feelings because you trust them (对某人)敞开心扉，(向某人)倾吐心事20. the heavens opened DNWEATHER literary it started to rain heavily 天降大雨21 open onto/into something phrasal verb ENTERif a room, door etc opens onto or into another place, you can enter that other place directly through it 〔房间、门等〕通往，通向 The door opens onto a long balcony. 这扇门通往一个很长的阳台。22 open out phrasal verb a) TTRWIDEif a road, path, or passage opens out, it becomes wider 〔道路、小径或通道〕变宽，变开阔 into Beyond the forest the path opened out into a track. 过了森林，这条小径变成了一条较宽的小路。b) British EnglishSHY if someone opens out, they become less shy 变得不羞怯23 open up phrasal verb a) opportunity 机会DEVELOP if opportunities open up, or a new situation opens them up, they become available or possible 〔机会、新情况〕出现；产生 With a microscope, a whole new world of investigation opens up. 有了显微镜，科学研究开启了一个崭新的世界。open something ↔ up The new international agreement opens up the possibility of much greater co-operation against terrorism. 这项新的国际协定为打击恐怖主义创造了更大的合作机会。b) land 土地 open something ↔ upREACH if someone opens up an area of land, they make it easier to reach and ready for development 开发，开拓，开辟 The new road will open up 300 acres of prime development land. 有了这条新路，300英亩的优质开发地将得以开辟。c) door/container etc 门/容器等OPEN to open something that is closed, locked, or covered 打开，开启 Open up, this is the police! 开门，我们是警察！open something ↔ up He opened up his case and took out a clean sweater. 他打开箱子，拿出一件干净的毛衣。d) shop/office etc 商店/办公室等 a) BSTART something/MAKE something STARTif a shop, office etc opens up or is opened up, someone starts it (使)开张，开办，开设 b) BBTSTART DOING somethingif a shop, office etc opens up at a particular time, it starts business at that time 〔在某时〕开始营业[办公]e) disagreement/discussion 分歧/讨论 open something ↔ upDISAGREE to start a discussion or argument 引起，引发〔讨论或争论〕 The article was written with the intention of opening up a public debate. 写这篇文章的目的是引发公开的讨论。f) competition/race 比赛/赛跑 if someone opens up a lead in a competition or race, they increase the distance or number of points by which they are winning 〔比赛中在距离或得分上〕领先g) talk 谈话SHY to stop being shy and say what you really think 〔不再羞怯地〕开始畅所欲言，开始倾诉心事 Last night was the first time that Ken had opened up about his feelings. 昨晚是肯第一次敞开心扉谈论自己的感受。h) with a gun 用枪PMWSHOOT to start shooting 射击，开火i) hole/crack etc 洞/裂缝等HOLE if a hole, crack etc opens up or is opened up, it appears and becomes wider (使)变宽，(使)扩大 → open the floodgates at floodgaten GrammarOpen belongs to a group of verbs where the same noun can be the subject of the verb or its object. • You can say: She opened the door. In this sentence, ‘the door’ is the object of open.• You can say: The door opened. In this sentence, ‘the door’ is the subject of open. THESAURUSopen used about a door, window, container, package, letter, your eyes, or your mouth 打开；张开I opened the door quietly. 我轻轻把门打开。She was nervous about opening the letter. 她拆信的时候很紧张。Open your mouth wide. 把嘴张大。unlock to open a door, drawer, box etc with a key 〔用钥匙〕开…的锁You need a key to unlock the safe. 你需要钥匙才能打开保险箱。unscrew to open a lid on a bottle, container etc by turning it 拧开，旋开〔瓶子、容器等的盖子〕I carefully unscrewed the lid of the jar. 我小心地旋开罐子的盖。force open to open a drawer, window, cupboard etc using force 强行打开The door was locked so we had to force it open. 门锁着，我们只好硬把它撞开。unwrap to open a package by removing the paper that covers it 拆开〔包装纸〕The children were busy unwrapping their Christmas presents. 孩子们正忙着拆圣诞礼物。unfasten/undo to make something no longer fastened or tied, for example a seat belt or a piece of clothing 松开，解开〔安全带、衣物等〕He unfastened the top button of his shirt. 他解开衬衫最上面的扣子。I was so full I had to undo my belt. 我吃得太饱了，只好解开腰带。 → See Verb table

Examples from the Corpus

open• Doors open 15 minutes before the start of each performance.• That window doesn't open.• Runyan plans to open a casino.• Police have opened an investigation into the girl's disappearance.• It provides start-up dialogues, macro dialogues and exit dialogues to open and close applications.• He opened and shut the drawers and the flap and found what he expected.• The animals were fasted for 24 hours and then their abdomen was opened and the stomach exposed under light ether anaesthesia.• After a short discussion with the customs officers, the gates opened and the truck moved off.• Ask the waiter to open another bottle of champagne.• Don't open another Coke - you can have the rest of mine.• Judy opened another pack of cigarettes.• On Saturdays, the restaurant opens at 7 p.m.• The moment before he had opened it, he had known what would be inside.• a little gadget that helps you to open jars• Andrew Lloyd Webber's new musical will open later this year.• The driver whipped round the front of the car and opened my door.• A permanent exhibition of Moore's work will open next year.• "What times do the banks open?" "Normally at around 9.30."• He opened the door wide, and gestured for me to come in.• Open the file called Templates.• Did you open the mail?• Heche opened the news conference by announcing his retirement.• It's very hot in here. Do you mind if I open the window?• How do you open this umbrella?• Open your books to page 63.• Aren't you going to open your letter?opened its doors• Casino, a re-creation of Manhattan in the desert that has just opened its doors.• In January 1966 Indica opened its doors.• The new meeting house opened its doors for worship almost exactly a year later; it had cost £3,366.• It opened its doors in 1888 as the Rindge Manual Training School.• CHELTENHAM/Gloucestershire Time allowed 01:06 Read in studio Britain's biggest motorway service station opened its doors this afternoon.• Social Washington also opened its doors to Joe.• St Hugh's opened its doors to men in nineteen eighty six.open3 noun  1  in the open outdoors 在户外，在野外 In the summer, we camped in the open. 夏天我们在野外露营。2  (out) in the open information that is out in the open is not hidden or secret 〔信息〕公开的[地] By now the whole affair was in the open. 如今整件事情已经公开了。 She never let her dislike for him come out into the open. 她从不把对他的反感表现出来。 All these concerns need to be brought out into the open. 所有这些担心都需要公开讲出来。

Examples from the Corpus

open• the US Openthe OpenOpen, the  1.one of the important international sports competitions, especially for golf, such as the British Open Championship and the US Open Championship, or for tennis, such as the French, US and Australian Open competitions 〔尤指高尔夫球或网球的〕公开赛From Longman Business Dictionaryopenopen1 /ˈəʊpənˈoʊ-/ adjective [not before a noun]1COMMERCEif a shop, bank, restaurant etc is open, it is allowing customers to enter and is ready to serve themThe bank is open till 12.00 on Saturdays.The shop was open for business on every day of the year.2COMMERCEFINANCEif a financial market is open, buying and selling on it are possibleAmong Asian and Pacific markets that were open, stocks overall had a mixed performance.3COMMERCEif a country is open to foreign products, they can be sold there without restrictions such as high import taxesMany people think the country is far less open to foreign products than Europe or the US.4on the open marketCOMMERCE if something is sold on the open market, it is available for anyone to buyThe shares would be purchased on the open market or in privately negotiated transactions.5be open to offersCOMMERCE to be ready to consider people’s offers for something you are sellingThe company said it was open to offers from potential buyers. 6be open to discussion/negotiation if something is open to discussion, you can discuss it and suggest changesThe number of board seats they will have, like all other terms of the proposal, is open to negotiation.7in open courtLAW in a court of law where everything is publicI am giving this judgment in open court at the request of all parties.openopen2 verb1[intransitive]COMMERCE if a shop, office, financial market etc opens at a particular time, it starts business at that timeWhat time do the banks open?Oil prices softened $1 a barrel as European and Asian markets opened yesterday.2[intransitive, transitive]COMMERCE if a new business opens or is opened, someone starts itShe plans to open a chain of restaurants.3[intransitive]FINANCE if shares, bonds etc open at a particular price, they have that price when the financial market on which they are traded opens for businessPlatinum opened lower following Japanese sales of platinum overnight.4open your marketsCOMMERCE if a country opens its markets to foreign goods, it allows them to be sold there, or it reduces restrictions on themThe US and Europe would open their markets in agriculture and textiles to developing nations by cutting quotas and subsidies.5open an accountBANKING to start a new account at a financial institution, for example by putting money into itPrivate clients are asked to produce an initial deposit of at least $10,000 to open an account. → open up→ See Verb tableopenopen3 noun [singular] FINANCE the beginning of a trading session on a financial marketThe dollar was quoted at 116.77 yen, down slightly from 118.80 yen at the open.US wheat prices might slip at the open of trading today.Origin open1 Old English

o·pen1 adjective →10-23
open2 verb →10-23
→n GRAMMAR1 →THESAURUS1open3 nounOpen, theLDOCE OnlineChineseSyllable  

things, so not Corpus people, that closed, Business

open

I

o‧pen¹ S1 W1 /ˈəʊpən $ ˈoʊ-/ adjective1.  DOOR/CONTAINER ETC not closed, so that things, people, air etc can go in and out or be put in and out
   OPP  closed, shut:
    He threw the door open and ran down the stairs.
    an open window
    The gates swung silently open.
    The bar door flew open and a noisy group burst in.
    All the windows were wide open (=completely open).
    She looked at the open suitcase with surprise.
    There was an open bottle of wine on the table.
2.  EYES/MOUTH not closed, so that your eyelids or your lips are apart:
    I was so sleepy, I couldn’t keep my eyes open.
    He was fast asleep with his mouth wide open.
3.  NOT ENCLOSED  [only before noun] not enclosed, or with no buildings, walls, trees etc:
    There was open ground at the end of the lane.
    open spaces such as parks and gardens
    open countryside/country
    At weekends people want to leave the town for open countryside.
    A shoal of fish swam past heading for the open sea (=part of the sea away from land).
    The car’s performance is good, especially going fast on the open road (=a road without traffic where you can drive fast).
4.  NOT COVERED without a roof or cover:
    The president was riding with his wife in an open car.
    Martin was struggling with the sails on the open deck.
    an open drain
    open to the sky/air/elements
    Many of the tombs had been robbed and left open to the sky.
5. the open air outdoors
    in the open air
    The dancing was outside, in the open air.
    Jane wanted to rush to the door and get out into the open air. ⇨ open-air
6.  BUSINESS/BUILDING ETC  [not before noun] ready for business and allowing customers, visitors etc to enter
   OPP  closed, shut:
    The museum is open daily in the summer months.
    The offices are also open at weekends.
    After the security alert, most of the firms affected were open for business on Monday morning.
    The villagers are anxious that their local school is kept open.
    I declare this exhibition open (=officially say that it is now open).
7.  NOT RESTRICTED allowing everyone, or everyone in a group, to take part in something, know about something, or have a chance to win something
    open to
    The competition is open to all readers in the UK.
    In many schools, governors’ meetings are not open to the public.
    The discussion was then thrown open for the audience’s questions.
    an open meeting
    The men’s race appears wide open (=anyone could win it).
    The painting would fetch several hundred dollars on the open market (=a market in which anyone can buy or sell).
8.  OPPORTUNITY  [not before noun] if an opportunity, a possible action, a job etc is open to you, you have the chance to do it:
    The job is being kept open for her.
    open to
    The 1960s was a period when greater opportunities were open to women.
    So what other options are open to us?
    There is only one course of action open to the local authority.
9.  NOT SECRET  [only before noun] actions, feelings, intentions etc that are open are not hidden or secret:
    Her father watched her with open admiration.
    open hostility between the two nations
    The party was calling for more open government (=when the government makes information freely available).
    The case will be tried in open court (=in a court where everything is public).
    It is an open secret (=it is supposed to be secret, but most people know about it) that she is having an affair with another man.
10.  HONEST honest and not wanting to hide any facts from other people
    open with
    The couple are quite open with each other about their feelings.
    open about
    She was quite open about her ambitions.
    his friendly, open manner
11.  CLOTHES not fastened:
    the open neck of his shirt
    She was wearing an open jacket.
12.  NOT YET DECIDED needing more discussion or thought before a decision can be made:
    The matter remains an open question.
    open to
    The new rates of pay are open to negotiation.
    The test results are open to interpretation.
    keep/leave your options open
    Officers investigating her death are keeping their options open.
13. open to something
  a. likely to suffer from something or be affected by something:
    The magazine’s editor is open to criticism in allowing the article to be printed.
    The regulations are open to abuse by companies.
    He has left himself open to accusations of dishonesty.
  b. willing to consider something new or to accept something new:
    Teachers need to be open to children’s ideas.
    The committee is open to suggestions.
    The owners of the building want to sell and are open to offers.
14.  NOT BLOCKED if a road or line of communication is open, it is not blocked and can be used:
    We try to keep the mountain roads open all through the winter.
15.  SPREAD APART spread apart instead of closed, curled over etc:
    At night the flowers were open.
    Johnson raised an open hand.
    He was sitting in bed with a book lying open (=with its pages apart so it can be read) on his knees.
16. an open mind if you have an open mind, you deliberately do not make a decision or form a definite opinion about something:
    It’s important to keep an open mind as you study the topic.
17. be open to question/doubt if something is open to question, there are doubts about it:
    Whether the new situation is an improvement is open to question.
18. welcome/greet somebody/something with open arms to be very pleased to see someone or something:
    Mike will be welcomed back into the team with open arms.
19. an open invitation
  a. an invitation to visit someone whenever you like
  b. something that makes it easier for criminals to steal, cheat etc
    an open invitation to
    The lack of security measures provides an open invitation to crime.
20. be an open book to be something that you know and understand very well:
    The natural world was an open book to him.
21. the door is open there is an opportunity for someone to do something
    the door is open to
    Schoolgirls are being told that the door is open to them to pursue careers in science.
22. keep your eyes/ears open to keep looking or listening so that you will notice anything that is important, dangerous etc
23. open weave/texture cloth with an open weave or texture has wide spaces between the threads
⇨ keep an eye open (for something) at eye¹(14), ⇨ with your eyes open at eye¹(19), ⇨ open-eyed
     

THESAURUS

■ not hiding the truth or the facts
   ▪ honest saying what you really think and not hiding the truth or the facts: I’m going to ask you something, and I want you to be honest with me. | an honest answer | To be honest, I didn’t think his speech was very good.
   ▪ straight informal honest and saying what you really think: I can’t help you if you’re not straight with me. | I need a straight answer.
   ▪ open willing to talk about what you think, feel etc in an honest way, rather than trying to hide it: People have become more open about their feelings. | She’s very easy to talk to because she’s so open.
   ▪ frank speaking honestly and directly about something, especially something that people find difficult to discuss: In his book, he’s brutally frank about his experience with his illness. | a frank discussion about sex
   ▪ direct saying exactly what you think in an honest clear way, even when this might annoy or upset people: Not everyone liked his direct manner. | She can be very direct.
   ▪ blunt speaking in a completely honest way, even if it upsets people, when it would be better to be more careful or polite: Sorry if I was a bit blunt with you. | His hard tone and blunt words were hurtful. | She didn’t reply and I knew I had been too blunt.
   ▪ upfront [not before noun] informal talking and behaving in an honest way, even when it is difficult to do this, in a way that people respect: It’s best to be upfront about your financial problems. | You have to be upfront with kids.
   ▪ outspoken expressing your opinions publicly in a very direct way, which may offend or annoy some people: an outspoken critic of the government | He was known for his outspoken views on various controversies.
   ▪ forthright formal saying exactly what what you think, without being afraid of what other people will think: The opposition have not come up with a clear forthright statement of their policies. | At times, Helena was a little too forthright.
   ▪ candid formal honest about the facts, or about your opinions and feelings, even if other people disapprove of them: He’d always been completely candid about his past. | It was an unusually candid admission for a politician.

II

open² S1 W1 verb1.  DOOR/WINDOW ETC  [intransitive and transitive] to move a door, window etc so that people, things, air etc can pass through, or to be moved in this way:
    Jack opened the window.
    He opened the drawer of the desk.
    She heard a door open and then close.
2.  CONTAINER/PACKAGE  [transitive] to unfasten or remove the lid, top, or cover of a container, package etc:
    Louise opened a bottle of wine.
    He opened the letter and began to read it.
    The children were opening their presents.
    Mark was about to open a beer when the doorbell rang.
3.  EYES  [intransitive and transitive] to raise your eyelids so that you can see, or to be raised in this way:
    Barry was awake long before he opened his eyes.
    Carrie smelled coffee and her eyes opened reluctantly.
4.  MOUTH  [intransitive and transitive] to move your lips apart, or to be moved in this way:
    He opened his mouth but couldn’t think what to say.
5.  START OPERATING  [intransitive and transitive] (also open up) if a place such as an office, shop, restaurant etc opens or is opened, it starts operating or providing a service:
    Sarah had recently opened an office in Genoa.
    French and Scandinavian offices are due to open in the autumn.
    The Forestry Commission has opened a plant centre selling rare plants.
    The centre has been a great success since it opened its doors a year ago.
6.  SHOP/RESTAURANT ETC  [intransitive] (also open up) to start business, letting in customers or visitors, at a particular time:
    What time do the banks open?
    The bakery opens early.
7.  START AN ACTIVITY  [transitive] to start an activity, event, or set of actions:
    The US attorney’s office has opened an investigation into the matter.
    An inquest into the deaths will be opened next week.
8.  COMPUTER  [transitive] to make a document or computer program ready to use:
    Click on this icon to open the File Manager.
9.  MEETING/EVENT  [intransitive and transitive] if a meeting etc opens or is opened in a particular way, it starts in that way:
    Hughes, opening the Conference, made a dramatic plea for peace.
    open with
    The concert opens with Beethoven’s Egmont Overture.
10.  OFFICIAL CEREMONY  [transitive] to perform a ceremony in which you officially state that a building is ready to be used:
    The new County Hall building was officially opened by the King.
11.  SPREAD/UNFOLD  [intransitive and transitive] to spread something out or unfold something, or to become spread out or unfolded:
    She opened her umbrella.
    John opened his hand to show her he wasn’t holding anything.
    The flowers only open during bright weather.
    I sat down and opened my book.
    She opened the curtains (=pulled the two curtains apart).
    Dave opened his arms (=stretched his arms wide apart) to give her a hug.
12.  MAKE A WAY THROUGH  [transitive] to make it possible for cars, goods etc to pass through a place:
    They were clearing away snow to open the tunnel.
    The peace treaty promises an end to war and opens the borders between the two countries.
13.  FILM/PLAY ETC  [intransitive] to start being shown to the public:
    Paula and Rachael star as mother and daughter in the play, which opens tonight.
    The film opened yesterday to excellent reviews.
14. open an account to start an account at a bank or other financial organization by putting money into it:
    Mary was in the bank to ask about opening a current account.
15. open fire (on something) to start shooting at someone or something:
    Troops opened fire on the rioters.
16. open the door/way to something (also open doors) to make an opportunity for something to happen:
    Research on genes should open the door to exciting new medical treatments.
    If the record is successful, it could open doors for my career.
17. open sb’s eyes (to something) to make someone realize something that they had not realized before:
    The purpose of the training is to open managers’ eyes to the consequences of their own behaviour.
18. open your mind (to something) to be ready to consider or accept new ideas
19. open your heart (to somebody) to tell someone your real thoughts and feelings because you trust them
20. the heavens opened literary it started to rain heavily
⇨ open the floodgates at floodgate
     

THESAURUS

   ▪ open used about a door, window, container, package, letter, your eyes, or your mouth: I opened the door quietly. | She was nervous about opening the letter. | Open your mouth wide.
   ▪ unlock to open a door, drawer, box etc with a key: You need a key to unlock the safe.
   ▪ unscrew to open a lid on a bottle, container etc by turning it: I carefully unscrewed the lid of the jar.
   ▪ force open to open a drawer, window, cupboard etc using force: The door was locked so we had to force it open.
   ▪ unwrap to open a package by removing the paper that covers it: The children were busy unwrapping their Christmas presents.
   ▪ unfasten/undo to make something no longer fastened or tied, for example a seat belt or a piece of clothing: He unfastened the top button of his shirt. | I was so full I had to undo my belt.
     
open onto/into something phrasal verb
  if a room, door etc opens onto or into another place, you can enter that other place directly through it:
    The door opens onto a long balcony.
open out phrasal verb
  1. if a road, path, or passage opens out, it becomes wider
    open out into
    Beyond the forest the path opened out into a track.
  2. British English if someone opens out, they become less shy
open up phrasal verb
  1.  OPPORTUNITY if opportunities open up, or a new situation opens them up, they become available or possible:
    With a microscope, a whole new world of investigation opens up.
    open something ↔ up
    The new international agreement opens up the possibility of much greater co-operation against terrorism.
  2.  LAND open something ↔ up if someone opens up an area of land, they make it easier to reach and ready for development:
    The new road will open up 300 acres of prime development land.
  3.  DOOR/CONTAINER ETC to open something that is closed, locked, or covered:
    Open up, this is the police__
    open something ↔ up
    He opened up his case and took out a clean sweater.
  4.  SHOP/OFFICE ETC
  a. if a shop, office etc opens up or is opened up, someone starts it
  b. if a shop, office etc opens up at a particular time, it starts business at that time
  5.  DISAGREEMENT/DISCUSSION open something ↔ up to start a discussion or argument:
    The article was written with the intention of opening up a public debate.
  6.  COMPETITION/RACE if someone opens up a lead in a competition or race, they increase the distance or number of points by which they are winning
  7.  TALK to stop being shy and say what you really think:
    Last night was the first time that Ken had opened up about his feelings.
  8.  WITH A GUN to start shooting
  9.  HOLE/CRACK ETC if a hole, crack etc opens up or is opened up, it appears and becomes wider

III

open³ noun
1. in the open outdoors:
    In the summer, we camped in the open.
2. (out) in the open information that is out in the open is not hidden or secret:
    By now the whole affair was in the open.
    She never let her dislike for him come out into the open.
    All these concerns need to be brought out into the open.
     

THESAURUS

■ Actions when using a computer
   ▪ start up/boot up to make a computer start working: I’m having problems starting up my computer.
   ▪ log on/in to start using a computer system by typing your name and password: He logged on and read his emails.
   ▪ click on something to press a button on a computer mouse to choose a program, file etc from the screen: When you click on the link, it sends you to the company’s website.
   ▪ install to add new software to a computer so that the software is ready to be used: All users should install anti-virus software.
   ▪ download to move information, pictures, or music from the Internet onto your computer: You can download MP3 files.
   ▪ upload to move information, pictures, or music from your computer to a different computer across the Internet: Sites such as YouTube allow you to upload your own videos.
   ▪ open to make a file or program ready to use: Open a new file and type in the information.
   ▪ scroll up/down to move information on a computer screen up or down so that you can read it: Scroll down to read the questions and answers.
   ▪ enter to type information into a computer: The program requires you to enter a password.
   ▪ delete to remove information from a computer: I’ve deleted his email. | When you delete a file, it first gets moved to the recycle bin.
   ▪ cut and paste to remove information from one place and put it in another place: Tutors are looking out for students who cut and paste their essays from the Internet.
   ▪ save to make a computer keep the work that you have done on it: Make sure you save any work you do before you shut the computer down.
   ▪ close to stop having a file or program ready to use: To close the window, click on the ‘X’ in the top right-hand corner of the screen.
   ▪ log off/out to stop using a computer system by giving it particular instructions: I get an error message when I log off.
   ▪ shut down to make a computer stop working: Employees should shut their computers down at the end of each day.
   ▪ restart/reboot to make a computer start working again: Wait a few minutes before rebooting your computer.

Open
Open, the
one of the important international sports competitions, especially for golf, such as the British Open Championship and the US Open Championship, or for tennis, such as the French, US and Australian Open competitions