bolt

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

Related topics: Household, Technology, Daily life, Weapons, Material & textiles

bolt1 /bəʊlt $ boʊlt/ ●●○ noun [countable]  1. lock 锁DH a metal bar that you slide across a door or window to fasten it 〔门、窗的〕金属插销，闩 →4  See picture of 见图 LOCK 2 →5 see picture at 见图 lock22. screw 螺钉TD a screw with a flat head and no point, for fastening things together 螺栓 →5 see picture at 见图 screw13  a bolt from/out of the blue EXPECTnews that is sudden and unexpected 突如其来的消息；晴天霹雳 Was this money a bolt from the blue or did you know you were going to get it? 这是一笔意料之财呢，还是你本来就知道会有的？4  bolt of lightning DNlightning that appears as a white line in the sky 闪电，霹雳 There’s not much left of his house after it was struck by a bolt of lightning. 他的房子遭雷击之后差不多全毁了。 → thunderbolt5  make a bolt for it British EnglishESCAPE to suddenly try to escape from somewhere 急忙逃跑，拔腿便跑 They attacked the driver and he straightaway made a bolt for it. 他们袭击司机，司机立刻没命地逃跑。6. weapon 武器PMW a short heavy arrow that is fired from a crossbow 〔短而粗的〕弩箭，矢7. cloth 布TIM a large long roll of cloth 一卷，一匹 → have shot your bolt at shoot1(24), → the nuts and bolts of something at nut1(6)

Examples from the Corpus

bolt• Atop a mountain he slew his daughter, then was immediately struck dead by a bolt of lightning.• One spring morning two anchor bolts were inserted in the footings that were to receive the first steel column.• There was a sound of soft footsteps, of chains being loosened and bolts drawn back.• The skies darkened and lightning bolts split the sky.• He went around for about ten months with this big metal bolt going in here and coming out here!• Respect established climbing traditions in ethical matters such as the use of chalk, pitons, bolts etc.• Investigators could not check the bolts because they had fallen into the sea.

Related topics: Food, Household

bolt2 ●○○ verb  1  [intransitive] to suddenly run somewhere very quickly, especially in order to escape or because you are frightened 奔，窜 The horse reared up and bolted. 马抬起前腿狂奔起来。 Kevin had bolted through the open window. 凯文从开着的窗子窜了出去。► see thesaurus at run2  [transitive] (also bolt down)DF to eat very quickly 狼吞虎咽 SYN gobble He bolted down his breakfast. 他狼吞虎咽地吃早餐。3  JOIN something TOGETHER[transitive] to fasten two things together using a bolt 用螺栓扣住bolt something to something The cell contained an iron bedframe bolted to the floor. 牢房里有一张用螺栓固定在地板上的铁床架。bolt something together The boxes were made of heavy panels of metal bolted together. 这些箱子是用厚重的金属板钉起来的。 →5 see picture at 见图 fasten4. [transitive]DH to lock a door or window by sliding a bolt across 闩上，插上〔门或窗〕→ See Verb table

Examples from the Corpus

bolt• One of the horses got into a panic and bolted.• When police approached him to ask him some questions, he bolted.• My husband always bolts all the doors before going to bed.• I bolted down my breakfast and was out the door by 8:00.• He was whisked away as his audience bolted for the exits.• Suddenly a fox bolted from beneath a hedge.• His brutish, stupid face was blotchy with fear now and his eyes were bolting from his head.• The dog bolted into the road, into the oncoming traffic.• Louie wailed, bolting off the steps into his house.• A low hissing filled the room as she bolted out and slammed the door.• Before I could say a word, she turned and bolted out the front door.• All the doors were locked and bolted so I climbed out through the kitchen window and dropped into a bed of lavender.• Jason bolted the door and closed all the curtains.• Rules and codes bolting the social structure tightly into place.• A thin steel cord was bolted to the beam that supported the boxcar roof.bolt something to something• A wrought-iron bench was bolted to the patio.bolt3 adverb  sit/stand bolt upright SITSTANDto sit or stand with your back very straight, often because something has frightened you 〔常因受到惊吓〕挺直地坐着/站着 She sat bolt upright in the back seat. 她直直地坐在后座上。

Examples from the Corpus

bolt• He sat bolt upright and kept his eyes on the table in front of him.• Suddenly I sit bolt upright, feeling a familiar stab of panic that can mean only one thing: the videos!From Longman Business Dictionaryboltbolt /bəʊltboʊlt/ noun [countable] MANUFACTURING a large roll containing many metres of clothOrigin bolt1 Old English “short arrow”

bolt1 nounbolt2 verbbolt3 adverbChinese  

that a a door or bar across Business Corpus you slide metal

bolt

I

bolt¹ /bəʊlt $ boʊlt/ noun [countable]1.  LOCK a metal bar that you slide across a door or window to fasten it
2.
   SCREW .a screw with a flat head and no point, for fastening things together
3. a bolt from/out of the blue news that is sudden and unexpected:
    Was this money a bolt from the blue or did you know you were going to get it?
4. bolt of lightning lightning that appears as a white line in the sky:
    There’s not much left of his house after it was struck by a bolt of lightning. ⇨ thunderbolt
5. make a bolt for it British English to suddenly try to escape from somewhere:
    They attacked the driver and he straightaway made a bolt for it.
6.  WEAPON a short heavy arrow that is fired from a crossbow
7.  CLOTH a large long roll of cloth
⇨ have shot your bolt at shoot¹(24), ⇨ the nuts and bolts of something at nut¹(6)

II

bolt² verb
1. [intransitive] to suddenly run somewhere very quickly, especially in order to escape or because you are frightened:
    The horse reared up and bolted.
    Kevin had bolted through the open window.
2. [transitive] (also bolt down) to eat very quickly
   SYN  gobble:
    He bolted down his breakfast.
3. [transitive] to fasten two things together using a bolt
    bolt something to something
    The cell contained an iron bedframe bolted to the floor.
    bolt something together
    The boxes were made of heavy panels of metal bolted together.
4. [transitive] to lock a door or window by sliding a bolt across
     

THESAURUS

■ animals running
   ▪ trot to run fairly slowly, taking short steps – used especially about horses and dogs: A little dog was trotting behind her.
   ▪ gallop if a horse gallops, it runs very quickly: The horse galloped off across the field.
   ▪ bolt to suddenly run somewhere very fast, especially in order to escape: Suddenly a fox bolted out from beneath a hedge.

III

bolt³ adverb
sit/stand bolt upright to sit or stand with your back very straight, often because something has frightened you:
    She sat bolt upright in the back seat.