crack

英 [kræk]

美 [kræk]

v.  破裂; 裂开; 断裂; 砸开; 破开; 砸碎; 打碎; 重击; 猛击
n.  裂纹; 裂缝; 缝隙; 狭缝; 窄缝; (突然的)爆裂声，噼啪声
adj.  训练有素的; 技艺高超的; 优秀的; 一流的

复数：cracks　过去式：cracked　过去分词：cracked　现在分词：cracking　第三人称单数：cracks　

CET4CET6考研TOEFLIELTSGRETEM4TEM8

Oxford 3000 / Collins.2 / BNC.3688 / COCA.3008

同义词辨析

breakcrackcrushsplit【导航词义：裂开】

短语动词

短语用例

crack down (on sb/sth)

• 竭力取缔；严厉打击；镇压
  to try harder to prevent an illegal activity and deal more severely with those who are caught doing it

crack on (with sth)

• （为尽快完成而）努力干；（急速）经过，穿过；快速继续下去
  to work hard at sth so that you finish it quickly; to pass or continue quickly
  1. A chunk of the cliff had cracked off in a storm.
     山崖上的一块石头在暴风雨中崩塌下来。
  2. His face cracked into a smile.
     他脸上绽出了微笑。
  3. to crack a nut
     把坚果砸开
  4. She cracked an egg into the pan.
     她往锅里打了一个鸡蛋。

crack up

• （因压力造成身体或精神）垮掉，崩溃
  to become ill, either physically or mentally, because of pressure
  1. I cracked my head on the low ceiling.
     我的头撞上了低矮的天花板。
  2. He cracked me on the head with a ruler.
     他用尺子猛击我的头部。
• 开始大笑起来
  to start laughing a lot

crack sb up

• 使大笑起来
  to make sb laugh a lot

习惯用语

v.

get cracking
• 立即大干起来
  to begin immediately and work quickly
• There's a lot to be done, so let's get cracking.
  要做的工作很多，咱们马上就干吧。
not all, everything, etc. sb's cracked up to be
• 不像人们说的那么好
  not as good as people say
• He's not nearly such a good writer as he's cracked up to be.
  他远不是人们所说的那种优秀作家。
crack the whip
• 极度役使
  to use your authority or power to make sb work very hard, usually by treating them in a strict way
use a sledgehammer to crack a nut
• 抡着大锤砸核桃；杀鸡用牛刀
  to use more force than is necessary

n.

at the crack of dawn
• 黎明；破晓；清晨
  very early in the morning
a fair crack of the whip
• （做某事的）合理机会
  a reasonable opportunity to show that you can do sth
• I felt we weren't given a fair crack of the whip.
  我觉得我们没有得到合理的机会。

牛津词典

verb

破裂 break
• 破裂；裂开；断裂
  to break without dividing into separate parts; to break sth in this way
  1. The ice cracked as I stepped onto it.
     我一踩冰就裂了。
  2. He has cracked a bone in his arm.
     他的手臂有一处骨裂。
  3. Her lips were dry and cracked.
     她的嘴唇干裂了。
• 砸开；破开；砸碎；打碎
  to break open or into pieces; to break sth in this way
  1. A chunk of the cliff had cracked off in a storm.
     山崖上的一块石头在暴风雨中崩塌下来。
  2. His face cracked into a smile.
     他脸上绽出了微笑。
  3. to crack a nut
     把坚果砸开
  4. She cracked an egg into the pan.
     她往锅里打了一个鸡蛋。
击中 hit
• 重击；猛击
  to hit sth/sb with a short hard blow
  1. I cracked my head on the low ceiling.
     我的头撞上了低矮的天花板。
  2. He cracked me on the head with a ruler.
     他用尺子猛击我的头部。
发出声音 make sound
• （使）发出爆裂声，噼啪作响
  to make a sharp sound; to make sth do this
  1. A shot cracked across the ridge.
     一颗炮弹飞过山脊爆炸了。
  2. He cracked his whip and galloped away.
     他抽响鞭子，策马飞奔而去。
嗓音 of voice
• （突然）变嘶哑，变沙哑
  if your voice cracks , it changes in depth, volume, etc. suddenly and in a way that you cannot control
  1. In a voice cracking with emotion, he told us of his son's death.
     他悲恸失声地告诉我们他儿子去世的消息。
在压力下 under pressure
• （因压力而）吃不消，崩溃，瓦解
  to no longer be able to function normally because of pressure
  1. Things are terrible at work and people are cracking under the strain.
     工作情况很糟糕，人们因过度紧张越来越吃不消了。
  2. They questioned him for days before he cracked.
     他们审讯他多日后他就垮掉了。
  3. The old institutions are cracking.
     旧的制度正在瓦解。
找到解决方法 find solution
• 找到解决（难题等的）方法
  to find the solution to a problem, etc. ; to find the way to do sth difficult
  1. to crack the enemy's code
     破译敌人的密码
  2. After a year in this job I think I've got it cracked !
     干了一年后，我觉得我已知道怎样做好这项工作了。
阻止 stop sb/sth
• 阻止，打击，击败，战胜（罪犯或敌人）
  to find a way of stopping or defeating a criminal or an enemy
  1. Police have cracked a major drugs ring.
     警方破获了一个重大的贩毒集团。
开瓶 open bottle
• 开瓶；（尤指）开瓶饮酒
  to open a bottle, especially of wine, and drink it
玩笑 a joke
• 说（笑话）；开（玩笑）
  to tell a joke

noun

裂缝 break
• 裂纹；裂缝
  a line on the surface of sth where it has broken but not split into separate parts
  1. This cup has a crack in it.
     这杯子有一道裂痕。
  2. Cracks began to appear in the walls.
     墙壁开始出现裂缝了。
  3. The cracks (= faults) in the government's economic policy are already beginning to show.
     政府经济政策中的失误已开始显露出来。
缝隙 narrow opening
• 缝隙；狭缝；窄缝
  a narrow space or opening
  1. She peeped through the crack in the curtains.
     她透过窗帘的缝隙窥视。
  2. The door opened a crack (= a small amount) .
     门开了一条缝。
声响 sound
• （突然的）爆裂声，噼啪声
  a sudden loud noise
  1. a crack of thunder
     一声霹雳
  2. the sharp crack of a rifle shot
     尖利的步枪声
击中 hit
• （可听到响声的）重击，猛击
  a sharp blow that can be heard
  1. She fell over and got a nasty crack on the head.
     她跌倒了，脑袋重重地磕了一下。
尝试 attempt
• 尝试；试做
  an occasion when you try to do sth
  1. She hopes to have another crack at the world record this year.
     她希望今年再一次冲击世界纪录。
毒品 drug
• 强效可卡因
  a powerful, illegal drug that is a form of cocaine
  1. a crack addict
     吸强效可卡因成瘾的人
玩笑 joke
• （尤指挖苦人的）玩笑，俏皮话
  a joke, especially a critical one
  1. He made a very unfair crack about her looks.
     他开玩笑地损了一下她的长相，言语很是刻薄。
交谈 conversation
• 好时光；友好愉快的交谈
  a good time; friendly, enjoyable talk
  1. Where's the crack tonight?
     今晚去哪里逍遥？
  2. He's a person who enjoys a drink and a bit of crack.
     他是个喜欢喝两杯又爱聊天的人。

adj.

• 训练有素的；技艺高超的；优秀的；一流的
  expert and highly trained; excellent at sth
  1. crack troops
     精锐部队
  2. He's a crack shot (= accurate and skilled at shooting) .
     他是个神枪手。

柯林斯词典

VERB USES 动词用法

• V-ERG (使)破裂;(使)裂开;(使)断裂
  If something hardcracks, or if youcrackit, it becomes slightly damaged, with lines appearing on its surface.
  1. A gas main had cracked under my neighbour's garage and gas had seeped into our homes...
     邻居车库下面的煤气总管裂开了，煤气渗入了我们家。
  2. Remove the dish from the oven, crack the salt crust and you will find the skin just peels off the fish.
     把盘子从烤箱里拿出来，弄碎鱼表面的那层盐，鱼皮就会从鱼身上剥落下来了。
• V-ERG (使)发出爆裂声;(使)噼啪作响
  If somethingcracks, or if youcrackit, it makes a sharp sound like the sound of a piece of wood breaking.
  1. Thunder cracked in the sky...
     空中雷声咔嚓作响。
  2. He cracked his fingers nervously.
     他紧张不安地把手指按得咔吧作响。
• VERB 重击;猛击
  If youcracka hard part of your body, such as your knee or your head, you hurt it by accidentally hitting it hard against something.
  1. He cracked his head on the pavement and was knocked cold.
     他一头撞到人行道上，不省人事了。
• VERB 打破;砸开;砸碎
  When youcracksomething that has a shell, such as an egg or a nut, you break the shell in order to reach the inside part.
  1. Crack the eggs into a bowl.
     把鸡蛋打在一个碗中。
• VERB (尤指经过反复思考)找到…的解决办法，破译(密码)
  If youcracka problem or a code, you solve it, especially after a lot of thought.
  1. He has finally cracked the system after years of painstaking research.
     经过多年的努力研究，他终于找到了破解这个系统的办法。
• VERB (因压力大而)失控，崩溃，瓦解
  If someonecracks, they lose control of their emotions or actions because they are under a lot of pressure.
  1. She's calm and strong, and she is just not going to crack...
     她镇定而且坚强，绝不会垮掉。
  2. I had the conviction Larkin's nerve would crack and he'd squeeze the trigger in a reflex action...
     我确信拉金会神经崩溃，他会反射性地扣动扳机。
  3. Some countries are showing signs of cracking under intense pressure from the United States.
     有些国家在美国的强大压力下有崩盘的迹象。
• VERB (因感情强烈而嗓音)变嘶哑，变沙哑
  If your voicecrackswhen you are speaking or singing, it changes in pitch because you are feeling a strong emotion.
  1. Her voice cracked and she began to cry.
     她的声音变得沙哑，继而哭了起来。
• VERB 说(笑话);开(玩笑)
  If youcracka joke, you tell it.
  1. He cracked jokes and talked about beer and girls.
     他爱说笑话，喜欢谈论啤酒和姑娘。
• See also:crackedcracking
• PHRASE 不如别人说的那么好
  If you say that something isnot all it's cracked up to be, you mean that it is not as good as other people have said it is.
  1. Package holidays are not always all they're cracked up to be.
     全包旅游并不总像人们说的那么好。

NOUN AND ADJECTIVE USES 名词和形容词用法

• N-COUNT 缝隙;狭缝;窄缝
  Acrackis a very narrow gap between two things, or between two parts of a thing.
  1. Kathryn had seen him through a crack in the curtains.
     凯瑟琳透过窗帘缝看见了他。
• N-SING (门或窗户打开的)缝隙，窄缝
  If you open something such as a door, window, or curtaina crack, you open it only a small amount.
  1. He went to the door, opened it a crack, and listened.
     他朝门走去，打开一条门缝听着。
• N-COUNT 裂纹;裂缝
  Acrackis a line that appears on the surface of something when it is slightly damaged.
  1. The plate had a crack in it...
     盘子上有一道裂纹。
  2. Hundreds of office buildings and homes developed large cracks in walls and ceilings.
     数百栋写字楼和住宅楼的墙壁和天花板上都出现了裂缝。
• N-COUNT; SOUND 爆裂声;噼啪声
  Acrackis a sharp sound, like the sound of a piece of wood breaking.
  1. Suddenly there was a loud crack and glass flew into the car...
     突然发出一声巨大的爆裂声，玻璃碎片飞进了车里。
  2. 'Crack!' — The first shot rang out, hitting Paolo.
     “砰！”第一声枪响了，打中了保罗。
• N-SING 尝试;试图
  If you have or take acrack atsomething, you make an attempt to do or achieve something.
  1. I should love to have a crack at the Olympia title in my last year...
     我非常愿意在我职业生涯的最后一年向奥林匹亚大赛冠军头衔发起冲击。
  2. She decided to head for the dormitory to take another crack at locating Blanche.
     她决定回宿舍再找找布兰奇。
• N-COUNT (略显粗鲁或刻薄的)笑话，俏皮话
  Acrackis a slightly rude or cruel joke.
  1. When Paul made the crack about the 'famous girl detective', I began to suspect that he had it in for you.
     当保罗挖苦你是“著名的女侦探”时，我开始怀疑他是不是故意刁难你。
• See also:crack cocaine
• ADJ-GRADED (士兵或运动员)训练有素的，一流的
  Acracksoldier or sportsman is highly trained and very skilful.
  1. ...a crack undercover police officer...
     训练有素的便衣警察
  2. He is said to be a crack shot, despite weak vision in one eye.
     尽管一只眼视力较弱，他仍被称为神枪手。
• See also:craic
• PHRASE 黎明;破晓;清晨
  If you say that someone does somethingat the crack of dawn, you are emphasizing that they do it very early in the morning.
  1. I often start work at the crack of dawn when there is a big order to get out.
     有大笔订单要处理时，我经常会清晨便开始工作。
• PHRASE 掩盖错误
  If youpaper over the cracks, you try to hide all the things that are wrong with something.
  1. The meeting was stormy, and the two sides managed only to paper over the cracks on some issues.
     会议很激烈，但双方只是在试图掩盖某些问题上的错误。
• PHRASE 合理的机会;均等的机会
  If you geta fair crack of the whip, you are allowed a reasonable opportunity to succeed at something.
  1. None of them is expecting any favours, just a fair crack of the whip.
     他们谁也不期望受到任何特殊照顾，只希望机会均等。

英英释义

noun

• the act of cracking something
  Synonym:fracturecracking
• a usually brief attempt
  1. he took a crack at it
  2. I gave it a whirl
  Synonym:flinggopasswhirloffer
• a purified and potent form of cocaine that is smoked rather than snorted
  Synonym:crack cocainetornado
• a narrow opening
  1. he opened the window a crack
  Synonym:gap
• a blemish resulting from a break without complete separation of the parts
  1. there was a crack in the mirror
• witty remark
  Synonym:wisecracksallyquip
• a sudden sharp noise
  1. the crack of a whip
  2. he heard the cracking of the ice
  3. he can hear the snap of a twig
  Synonym:crackingsnap
• a long narrow opening
  Synonym:cleftcrevicefissurescissure
• a long narrow depression in a surface
  Synonym:crevicecrannyfissurechap
• a chance to do something
  1. he wanted a shot at the champion
  Synonym:shot

verb

• break into simpler molecules by means of heat
  1. The petroleum cracked
• reduce (petroleum) to a simpler compound by cracking
• become fractured
  1. The glass cracked when it was heated
  Synonym:checkbreak
• cause to become cracked
  1. heat and light cracked the back of the leather chair
• break suddenly and abruptly, as under tension
  1. The pipe snapped
  Synonym:snap
• break partially but keep its integrity
  1. The glass cracked
• pass through (a barrier)
  1. Registrations cracked through the 30,000 mark in the county
  Synonym:break through
• tell spontaneously
  1. crack a joke
• hit forcefully
  1. The teacher cracked him across the face with a ruler
• suffer a nervous breakdown
  Synonym:crack upcrock upbreak upcollapse
• make a sharp sound
  1. his fingers snapped
  Synonym:snap
• make a very sharp explosive sound
  1. His gun cracked
• gain unauthorized access computers with malicious intentions
  1. she cracked my password
  2. crack a safe

adj

• of the highest quality
  1. an ace reporter
  2. a crack shot
  3. a first-rate golfer
  4. a super party
  5. played top-notch tennis
  6. an athlete in tiptop condition
  7. she is absolutely tops
  Synonym:aceA-onefirst-ratesupertiptoptopnotchtop-notchtops(p)

双语例句

• Thunder cracked in the sky
  空中雷声咔嚓作响。
• He cracked jokes and talked about beer and girls.
  他爱说笑话，喜欢谈论啤酒和姑娘。
• I often start work at the crack of dawn when there is a big order to get out.
  有大笔订单要处理时，我经常会清晨便开始工作。
• She decided to head for the dormitory to take another crack at locating Blanche.
  她决定回宿舍再找找布兰奇。
• Crack the eggs into a bowl.
  把鸡蛋打在一个碗中。
• I had the conviction Larkin's nerve would crack and he'd squeeze the trigger in a reflex action
  我确信拉金会神经崩溃，他会反射性地扣动扳机。
• He is said to be a crack shot, despite weak vision in one eye.
  尽管一只眼视力较弱，他仍被称为神枪手。
• Hundreds of office buildings and homes developed large cracks in walls and ceilings.
  数百栋写字楼和住宅楼的墙壁和天花板上都出现了裂缝。
• Suddenly there was a loud crack and glass flew into the car
  突然发出一声巨大的爆裂声，玻璃碎片飞进了车里。
• He cracked his fingers nervously.
  他紧张不安地把手指按得咔吧作响。