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fast

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fast

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++
Related topics: Sport
fast1 /fɑːst $ fæst/ ●●● S2 W2 adjective  1 FAST/QUICKmoving quickly 快地,快速地 moving or able to move quickly 快的,快速的 a fast car 速度很快的汽车 He’s one of the fastest runners in the world. 他是世界上跑得最快的人之一。2 in a short time 在短时间内SHORT TIME doing something or happening in a short time 迅速做到的,立即发生的 The subway is the fastest way to get downtown. 去市中心坐地铁最快。 The company must give a faster response to clients’ requests. 公司必须更迅速地回应客户要求。 The rain forests are being chopped down at an alarmingly fast rate. 雨林正以惊人的速度遭砍伐。 I’m a fast learner. 我一学就会。3 clock 钟表 [not before noun]TIME/RIGHT OR WRONG TIME a clock that is fast shows a later time than the real time 偏快的,走得快的 That can’t be the time – my watch must be fast. 不可能是这个时间——一定是我的表快了。five minutes/an hour etc fast I always keep my watch 15 minutes fast. 我总是把表拨快15分钟。4 fast track a way of achieving something more quickly than is normally done 通往成功的快车道,快速成功之路on the fast track a young actress on the fast track to fame and success 疾驰在快速收获名利之路上的一名年轻女演员5. fast road TTRa road on which vehicles can travel very quickly 快车道6. fast film/lens TCPa film or lens(2) that can be used when there is little light, or when photographing something that is moving very quickly 快速感光胶卷/快速镜头7. colour 颜色DHC a colour that is fast will not change when clothes are washed 色牢度强的,不褪色的 colourfast8. sports 体育运动DSFAST/QUICK a fast surface is one on which a ball moves very quickly 〔球场场地〕利于球快速滚动的9 fast and furious FAST/QUICKdone very quickly with a lot of effort and energy, or happening very quickly with a lot of sudden changes 迅猛的,迅速而剧烈的,迅速多变的 Arsenal’s opening attack was fast and furious. 阿森纳队的开场进攻很迅猛。10. somebody is a fast worker informalSUCCESSFUL used to say that someone can get what they want very quickly, especially in starting a sexual relationship with another person 某人是个快手〔指能很快达到目的的人,尤指在确立两性关系时〕11. fast talker DISHONESTsomeone who talks quickly and easily but is often not honest or sincere 口齿伶俐但不一定可靠的人12 woman 女性 old-fashionedSY becoming involved quickly in sexual relationships with men 放荡的 fast cars and fast women 高速汽车和放荡的女人13. fast friends literaryFRIENDLY two people who are very friendly for a long time 挚友 fast food, fast-forward, fast lane, → make a fast buck at buck1(1), → pull a fast one at pull1(10)THESAURUSfast moving or able to move quickly 快速的The cheetah is the fastest animal in the world. 猎豹是世界上跑得最快的动物。a fast car 高速汽车quick moving fast or doing something in a short time 迅速的He was much quicker than I was over the first 100 metres. 刚开始的100米,他比我快得多。Do I have time for a quick shower? 我有时间快速冲个澡吗?high-speed [only before noun] designed to travel or operate very quickly 高速的a high-speed train 高速火车high-speed Internet access 高速因特网接入rapid especially written happening in a short period of time – used about changes, increases, improvements etc 〔指变化、增长、进步等〕迅速的a rapid increase in the population 人口的迅速增长the rapid expansion of the firm’s business in the Middle East 公司业务在中东的迅速扩张na rapid decline in profits swift written moving quickly or happening after only a short time 迅速移动[发生]The horses ran along the track at a swift trot. 马匹沿着赛道飞奔。He received a swift response to his letter. 他的信很快就有了回音。brisk quick and energetic 轻快的a brisk walk in the countryside 轻快的乡间漫步His manner was very brisk. 他的举止很活泼。speedy [only before noun] happening after only a short time 迅速的Everyone wishes you a speedy recovery. 大家都祝你早日康复。a speedy resolution to the problem 迅速解决该问题的方案hurried done more quickly than usual, because you do not have much time 匆忙的She ate a hurried breakfast in the cafe before catching her train. 她在咖啡馆匆匆吃了早餐去赶火车。We made a hurried departure. 我们匆匆出发了。hasty deciding or doing something very quickly, especially when this has bad results 仓促的It was a hasty decision, which he later regretted. 这是个仓促的决定,他过后很懊悔。Let’s not be too hasty. 我们不要过于仓促。
Examples from the Corpus
fastIs it really 6:45, or is my watch fast?The new convertible is fast and fun to drive.The first pitch was fast and hard.Boeing's new plane is faster and more luxurious than anything else they have ever produced.Some in disbelief that a car so beautiful, so fast and so downright delicious could cost as little as £27,000.Despite its size, the buffalo is a very fast animal and can run up to thirty-five miles per hour.But I am not as fast as he is.When I was a kid, I was the fastest boy in my class.Dean always loved fast cars and expensive clothes.Other volunteers want to become fast friends and cultural advisers.Nevertheless, when moral considerations made a fast imperative, his body had no veto.I'm a pretty fast reader.We hope Arlene will make a fast recovery.One man's fast response saved a heart-attack victim's life.I keep the clock five minutes fast, so I won't be late.Rosa caught the fast train to London.Training for speed must work repeatedly on the fast twitch fibres on a stop - go basis.
fast2 ●●● S2 W3 adverb  1 moving quickly 快速移动FAST/QUICK moving quickly 快速移动的 Slow down – you’re driving too fast. 慢点——你开得太快了。 a fast-moving river 湍急的河流 Johnny ran off as fast as his legs could carry him (=running as quickly as he could). 约翰尼飞也似的跑开了。see thesaurus at quickly2 SHORT TIMEin a short time 在短时间内 happening in a short time 不久,立即 Kids grow up fast these days. 如今小孩子长得很快。 The survivors needed help fast. 生还者急需帮助。 How fast can you get the job done? 你多快能把工作做完?fast becoming/disappearing/approaching etc Access to the Internet is fast becoming a necessity. 能够上网不久将变成必需。 It all happened so fast I didn’t even notice I was bleeding. 一切发生得太快,我甚至还没发觉自己在流血。3 fast asleep SLEEPsleeping very deeply 熟睡的,酣睡的4 be stuck/held fast MOVE something OR somebodyto become or be firmly fixed and unable to move 被紧紧夹住,被紧紧粘住5 be getting/be going nowhere fast informalSUCCEED IN DOING something to not succeed in making progress or achieving something 失败;不成功;无成就6 not so fast spokenNOW used to tell someone not to be too eager to do or believe something 不要那么快,慢点,别急7. make something fast to tie something such as a boat or tent firmly to something else 牢牢固定某物8 fast by something literaryNEAR very close to something 紧挨着某物,贴近某物 play fast and loose with somebody at play1(32), → stand fast at stand1(25), → thick and fast at thick2(2)
Examples from the Corpus
fastAt which Stour realised suddenly that he was the one who must act, and fast.The growth of the plants from tubercles treated in this manner is then very fast.The tiny device shocks the heart into normal rhythm when it beats too fast.Burglars work fast.She walked faster and faster, then started to run.He ran home as fast as he could.He must complete his mission and leave as fast as possible.The new fighter aircraft flies almost twice as fast as the old one.They ran off as fast as their legs would carry them.Prices aren't rising as fast as they were a year ago.We're working as fast as we can.The spare tyre on the back of the Jeep was held fast by three strong bolts.It felt too fast for me.a fast-growing communityDon't talk so fast - I can't understand what you're saying.The front of the boat was stuck fast in the mud.Don't drive so fast - there's ice on the road.The car was going pretty fast when it went off the road.as fast as ... legs could carryI ignored his command and took off after him, racing along as fast as my legs could carry me.fast becoming/disappearing/approaching etcIt takes an intellectually open environment and an entrepreneurial edge to produce the kind of place that Bangalore is fast becoming.She was, of course, keenly interested in cinema, and her White House film festival was fast approaching.The prospect of censure intensified what, for Galileo, was fast becoming a dilemma.These historic opportunities are fast disappearing for our community.The hedge was fast approaching, looking too big, far too big for Buttons to jump on his own.It's hard to believe, but we're fast approaching the dessert hour.Snapshots and consumer imagery were fast becoming two sides of the same coin.This familiarity, this friendliness of science is fast disappearing under the banner of standardisation.
fast3 verb [intransitive]  EATto eat little or no food for a period of time, especially for religious reasons 〔尤因宗教原因而〕禁食,斋戒 Muslims fast during Ramadan. 穆斯林在斋月里禁食。→ See Verb table
Examples from the Corpus
fastThey fasted for a further 2 hours, after which they were allowed normal food and fluid intake.He would need to fast, to recuperate, to change, before he would be ready to take her.
fast4 noun [countable]  EATa period during which someone does not eat, especially for religious reasons 禁食期,斋戒期 Gandhi drank some orange juice to break (=end) his three-week fast. 甘地喝了些橙汁,结束了为期三周的禁食。
Examples from the Corpus
fasta one-day fast for charityAt the end of their fast, the people have a big party to celebrate.As almost everyone except himself perfectly understood, these fasts were a ruthless exploitation of the power of his own sanctity.break ... fastBreak your fast and pack our bags.In the morning, immediately after break. fast, he would be at the public mortuary doing the post-mortem.The speed at which things wear out and break down rises fast when everything you own is cheap.After they had broken their fast he gave Aeneas the advice he had come to seek.Keyes said he would not break his fast until he was invited to participate in subsequent candidate debates.The breaking of the fast, called iftar, usually begins with a snack of dates and milk or water.The songs were then sung, and Gandhi drank some orange juice to break the three-week fast.He was always smiling and greeted us most amicably as we broke our fast in the great hall.
From Longman Business Dictionaryfastfast1 /fɑːstfæst/ adverb quickly or without delayExports are stillgrowing fast.The Bank of England was criticized for not cutting interest rates fast enough.How fast can you get that report done?fastfast2 adjective happening quickly or without delayThe IT industry is expanding at an incredibly fast rate.Trading has been fast and furious (=full of excitement and activity) this afternoon.We guarantee a fast response to all inquiries.Origin fast2 Old English fæst firm fast3 Old English fæstan
able to Business Corpus moving or move quickly


fast
I
fast1 S2 W3 /fɑːst $ fæst/ adverb
1.  MOVING QUICKLY moving quickly:
    Slow down – you’re driving too fast.
    a fast-moving river
    Johnny ran off as fast as his legs could carry him (=running as quickly as he could).
2.  IN A SHORT TIME happening in a short time:
    Kids grow up fast these days.
    The survivors needed help fast.
    How fast can you get the job done?
    fast becoming/disappearing/approaching etc
    Access to the Internet is fast becoming a necessity.
    It all happened so fast I didn’t even notice I was bleeding.
3. fast asleep sleeping very deeply:
    Nick was lying on the sofa, fast asleep.
4. be stuck/held fast to become or be firmly fixed and unable to move:
    The boat was stuck fast in the mud.
    She tried to pull her hand free, but it was held fast.
5. be getting/be going nowhere fast informal to not succeed in making progress or achieving something:
    I kept asking her the same question, but I was getting nowhere fast.
6. not so fast spoken used to tell someone not to be too eager to do or believe something:
    Not so fast. We’ve got to prove it first, haven’t we?
7. make something fast to tie something such as a boat or tent firmly to something else
8. fast by something literary very close to something:
    fast by the river
play fast and loose with somebody at play1(30), ⇨ stand fast at stand1(25), ⇨ thick and fast at thick2(2)
     
THESAURUS
    quickly at a high speed or without taking much time: The stream was flowing quite quickly. | They quickly became friends.
    fast at a high speed – used especially when talking about how something moves: You're driving too fast__ | He ran home as fast as he could.
    quick spoken quickly – used in exclamations or in comparatives: Quick__ There’s a mouse__
    swiftly written quickly: The government acted swiftly. | She was surprised that he agreed so swiftly.
    rapidly quickly – used especially about changes, increases, improvements etc: The population is growing rapidly. | a rapidly changing world
    speedily quickly and therefore efficiently: All problems were speedily dealt with.
    briskly quickly and energetically: He walked briskly back along the path.
    at high/great speed at a very fast speed – used especially in technical descriptions: The molecules are travelling at great speed.
    at a rapid rate especially written quickly – used about changes, increases, improvements etc: Internet shopping is growing at a rapid rate.
    as quick as a flash/in a flash extremely quickly: As quick as a flash, I was back in my bed and under the covers.
    like lightning moving extremely quickly: Like lightning, the cat darted under the bushes.
    flat out especially British English at the fastest speed possible: The car was going flat out. | He was running flat out.

II
fast2 S2 W2 adjective
 Language: Old English
 Origin: fæst 'firm'
1.  MOVING QUICKLY moving or able to move quickly:
    a fast car
    He’s one of the fastest runners in the world.
2.  IN A SHORT TIME doing something or happening in a short time:
    The subway is the fastest way to get downtown.
    The company must give a faster response to clients’ requests.
    The rain forests are being chopped down at an alarmingly fast rate.
    I’m a fast learner.
3.  CLOCK  [not before noun] a clock that is fast shows a later time than the real time:
    That can’t be the time – my watch must be fast.
    five minutes/an hour etc fast
    I always keep my watch 15 minutes fast.
4. fast track a way of achieving something more quickly than is normally done
    on the fast track
    a young actress on the fast track to fame and success
5. fast road a road on which vehicles can travel very quickly
6. fast film/lens a film or lens(2) that can be used when there is little light, or when photographing something that is moving very quickly
7.  COLOUR a colour that is fast will not change when clothes are washed ⇨ colourfast
8.  SPORTS a fast surface is one on which a ball moves very quickly
9. fast and furious done very quickly with a lot of effort and energy, or happening very quickly with a lot of sudden changes:
    Arsenal’s opening attack was fast and furious.
10. somebody is a fast worker informal used to say that someone can get what they want very quickly, especially in starting a sexual relationship with another person
11. fast talker someone who talks quickly and easily but is often not honest or sincere
12.  WOMAN old-fashioned becoming involved quickly in sexual relationships with men:
    fast cars and fast women
13. fast friends literary two people who are very friendly for a long time
fast food, fast-forward, fast lane, ⇨ make a fast buck at buck1(1), ⇨ pull a fast one at pull1(10)
     
THESAURUS
    fast moving or able to move quickly: The cheetah is the fastest animal in the world. | a fast car
    quick moving fast or doing something in a short time: He was much quicker than I was over the first 100 metres. | Do I have time for a quick shower?
    high-speed [only before noun] designed to travel or operate very quickly: a high-speed train | high-speed Internet access
    rapid especially written happening in a short period of time – used about changes, increases, improvements etc: a rapid increase in the population | the rapid expansion of the firm’s business in the Middle East | a rapid decline in profits
    swift written moving quickly or happening after only a short time: The horses ran along the track at a swift trot. | He received a swift response to his letter.
    brisk quick and energetic: a brisk walk in the countryside | His manner was very brisk.
    speedy [only before noun] happening after only a short time: Everyone wishes you a speedy recovery. | a speedy resolution to the problem
    hurried done more quickly that usual, because you do not have much time: She ate a hurried breakfast in the cafe before catching her train. | We made a hurried departure.
    hasty deciding or doing something very quickly, especially when this has bad results: It was a hasty decision, which he later regretted. | Let’s not be too hasty.

III
fast3 verb [intransitive]
 Language: Old English
 Origin: fæstan
to eat little or no food for a period of time, especially for religious reasons:
    Muslims fast during Ramadan.
     
THESAURUS
■ to eat less food or stop eating
    be on a diet to be eating less or different food than normal in order to become thinner: No cake thanks – I’m on a diet.
    fast to not eat for a period of time, often for religious reasons: Muslim people fast during the month of Ramadan.

IV
fast4 noun [countable]
a period during which someone does not eat, especially for religious reasons:
    Gandhi drank some orange juice to break (=end) his three-week fast.


🔑 fastBrE /fɑːst/ 🔊NAmE /fæst/ 🔊 adjective (fast·er, fast·est) quick 快速🔑 moving or able to move quickly 快的;迅速的;敏捷的a fast car/horse速度快的汽车/马the world's fastest runner世界最快的赛跑运动员🔑 happening in a short time or without delay 迅速发生的;立即发生的the fastest rate of increase for years多年来最高的增长率a fast response time迅速的反应时间<titled tranID="41" status="1">fast / quick / rapid</titled>

These adjectives are frequently used with the following nouns. 这些形容词常与下列名词连用:

fast ~quick ~rapid ~carglancechangetrainlookgrowthbowlerreplyincreasepacedecisiondeclinelanewayprogress
  • Fast is used especially to describe a person or thing that moves or is able to move at great speed. * fast 尤用以描述高速运动的人或事物。
  • Quick is more often used to describe something that is done in a short time or without delay. * quick 较常用以描述迅速或立即完成的事。
  • Rapid, swift and speedy are more formal words. * rapid、swift 和 speedy 较正式。
  • Rapid is most commonly used to describe the speed at which something changes. It is not used to describe the speed at which something moves or is done. * rapid 最常用于描述事物变化的速度,而非运动或完成的速度a rapid trainWe had a rapid coffee.
  • Swift usually describes something that happens or is done quickly and immediately. * swift 通常指事物发生或完成的速度快而及时a swift decision 迅即作出的决定The government took swift action. 政府立即采取了行动。
  • Speedy has a similar meaning. * speedy 与 swift 意思相近a speedy recovery 迅速康复It is used less often to talk about the speed at which something moves. 该词较少指事物运动速度快a speedy car
  • For the use of fast and quick as adverbs,  note at quick. 关于 fast 和 quick 作副词的用法,见词条 quick 的用法说明。
🔑 able to do sth quickly 动作迅速的;头脑灵活的a fast learner领悟快的学习者
surface 物体表面producing or allowing quick movement 可供快速运动的a fast road/pitch 快车道;快速投球   see also fast lane watch/clock 钟表 [not before noun] showing a time later than the true time 走得快I'm earlymy watch must be fast. 我早了,我的表肯定快了。🔊🔊That clock's ten minutes fast. 那座钟快十分钟。🔊🔊photographic film 照相胶片(specialist) very sensitive to light, and therefore useful when taking photographs in poor light or of sth that is moving very quickly 感光快的firmly fixed 牢牢固定(of a boat, etc. 船等) firmly fixed and safe 系牢的;稳固的He made the boat fast. 他把船系牢了。🔊🔊colours in clothes 衣服颜色not likely to change or to come out when washed 不退色的 HELP There is no noun related to fast. Use speed in connection with vehicles, actions, etc.; quickness is used about thinking. * fast 没有派生的名词。关于交通工具、行动等的速度用 speed,关于思维则用 quickness。fast and ˈfurious(of films/movies, shows, etc. 电影、演出等) full of rapid action and sudden changes 情节节奏快且变化多端In his latest movie, the action is fast and furious. 在他的最新电影中,情节起伏跌宕。🔊🔊<titled tranID="41" status="1">fast / quick / rapid</titled>

These adjectives are frequently used with the following nouns. 这些形容词常与下列名词连用:

fast ~quick ~rapid ~carglancechangetrainlookgrowthbowlerreplyincreasepacedecisiondeclinelanewayprogress
  • Fast is used especially to describe a person or thing that moves or is able to move at great speed. * fast 尤用以描述高速运动的人或事物。
  • Quick is more often used to describe something that is done in a short time or without delay. * quick 较常用以描述迅速或立即完成的事。
  • Rapid, swift and speedy are more formal words. * rapid、swift 和 speedy 较正式。
  • Rapid is most commonly used to describe the speed at which something changes. It is not used to describe the speed at which something moves or is done. * rapid 最常用于描述事物变化的速度,而非运动或完成的速度a rapid trainWe had a rapid coffee.
  • Swift usually describes something that happens or is done quickly and immediately. * swift 通常指事物发生或完成的速度快而及时a swift decision 迅即作出的决定The government took swift action. 政府立即采取了行动。
  • Speedy has a similar meaning. * speedy 与 swift 意思相近a speedy recovery 迅速康复It is used less often to talk about the speed at which something moves. 该词较少指事物运动速度快a speedy car
  • For the use of fast and quick as adverbs,  note at quick. 关于 fast 和 quick 作副词的用法,见词条 quick 的用法说明。
a fast ˈtalkera person who can talk very quickly and easily, but who cannot always be trusted 快嘴快舌但不可信赖的人a fast ˈworker(informal) a person who knows how to get what they want quickly, especially when beginning a sexual relationship with sb 善于迅速达到目的的人;(尤指恋爱方面)善于一下子获得青睐的人make a fast/quick buck(informal, often disapproving) to earn money quickly and easily 轻易地赚钱be quick/fast on the ˈdraw(informal) to be quick to understand or react in a new situation 领悟敏捷;反应迅速You can't fool himhe's always quick on the draw. 你骗不了他,他脑筋一向很快。🔊🔊to be quick at pulling out a gun in order to shoot it 拔枪迅速ˌhard and ˈfast (especially after a negative 尤用于否定词后) that cannot be changed in any circumstances 板上钉钉;不容更改There are no hard and fast rules about this. 这事没有什么硬性的规定。🔊🔊pull a ˈfast one (on sb)(slang) to trick sb 蒙骗;捉弄
🔑 fastBrE /fɑːst/ 🔊NAmE /fæst/ 🔊 adverb (fast·er, fast·est) quickly 快速🔑 quickly 快;快速;迅速Don't drive so fast! 别把车开得这么快!🔊🔊How fast were you going? 当时你们走得有多快?🔊🔊I can't go any faster. 我不能走得更快了。🔊🔊The water was rising fast. 水迅猛上涨。🔊🔊Her heart beat faster. 她的心跳加快。🔊🔊(formal) Night was fast approaching. 黑夜迅速降临。🔊🔊a fast-flowing stream湍急的溪流<titled tranID="18" status="1">quick / quickly / fast</titled>
  • Quickly is the usual adverb from quick. * quickly 为源自 quick 的常用副词I quickly realized that I was on the wrong train. 我很快意识到我坐错了火车。My heart started to beat more quickly. 我的心开始跳得快起来。
  • Quick is sometimes used as an adverb in very informal language, especially as an exclamation. 在日常用语中,quick 有时用作副词,尤作感叹语Come on! Quick! They'll see us! 快点儿吧!快!他们会看见我们的! Quicker is used more often. * quicker 更常用My heart started to beat much quicker. 我的心跳开始大大加快。The quicker I get you away from here, the better. 我越快送你离开此地越好。
  • Fast is more often used when you are talking about the speed that somebody or something moves at. 指某人或某物移动的速度多用 fastHow fast can a cheetah run? 猎豹奔跑的速度有多快?Can't you drive any faster? 你难道不能开快点儿?You're driving too quickly. There is no word fastly. 没有 fastly 这个词。
🔑 in a short time; without delay 不久;立即Children grow up so fast these days. 如今孩子们长得真快。🔊🔊Britain is fast becoming a nation of fatties. 英国不久就要变成一个胖子国了。🔊🔊The police said that they had reacted as fast as they could. 警方说他们已尽快作出了反应。🔊🔊
firmly 牢固🔑 firmly; completely 牢固地;完全地Within a few minutes she was fast asleep (= sleeping deeply). 几分钟后她就沉睡了。🔊🔊The boat was stuck fast (= unable to move) in the mud. 船深陷在淤泥里动弹不得。🔊🔊 HELP There is no noun related to fast. Use speed in connection with vehicles, actions, etc.; quickness is used about thinking. * fast 没有派生的名词。关于交通工具、行动等的速度用 speed;关于思维则用 quickness。as fast as your ˌlegs can ˈcarry youas quickly as you can 尽快hold ˈfast to sth(formal) to continue to believe in an idea, etc. despite difficulties 坚持(某种思想等)play fast and ˈloose (with sb/sth)(old-fashioned) to treat sb/sth in a way that shows that you feel no responsibility or respect for them 反复无常;若即若离;玩弄stand ˈfast/ˈfirmto refuse to move back; to refuse to change your opinions 坚定不移;不让步;不改变主张thick and ˈfastquickly and in large quantities 又快又多;频频Questions were coming at them thick and fast. 问题铺天盖地向他们而来。🔊🔊
🔑 fastBrE /fɑːst/ 🔊NAmE /fæst/ 🔊 verbpresent simple - I / you / we / they fast BrE /fɑːst/ 🔊 NAmE /fæst/ 🔊present simple - he / she / it fasts BrE /fɑːsts/ 🔊 NAmE /fæsts/ 🔊past simple fasted BrE /ˈfɑːstɪd/ 🔊 NAmE /ˈfæstɪd/ 🔊past participle fasted BrE /ˈfɑːstɪd/ 🔊 NAmE /ˈfæstɪd/ 🔊 -ing form fasting BrE /ˈfɑːstɪŋ/ 🔊 NAmE /ˈfæstɪŋ/ 🔊 [intransitive] to eat little or no food for a period of time, especially for religious or health reasons (因宗教或健康原因)节食,禁食,斋戒Muslims fast during Ramadan. 伊斯兰教徒在斋月期间斋戒。🔊🔊
🔑 fastBrE /fɑːst/ 🔊NAmE /fæst/ 🔊 nouna period during which you do not eat food, especially for religious or health reasons 禁食期;斋戒期to go on a fast开始禁食to break (= end) your fast开斋