crack

n. 裂缝, 爆裂声
vt. (使)爆裂, (使)裂开, (使)发出爆裂声
vi. (使)爆裂, (使)裂开, (使)发出爆裂声
a. 第一流的
ad. 啪地一声
【化】 裂缝; 龟裂
相关词组:
crack wise
crack on
crack up
crack sb up
crack sth up

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

crack

v.（动词）
cracked,crack.ing,cracks
v.intr.（不及物动词）
To break or snap apart.
断裂，折断
To make a sharp, snapping sound.
碎裂声，爆裂声：发出尖锐的爆裂声
To break without complete separation of parts; fissure:
破裂，裂缝：没有完全分离部分的破裂；裂开：
例句：
The mirror cracked.
镜子破裂了

To change sharply in pitch or timbre, as from hoarseness or emotion. Used of the voice.
嗓音发劈：由于声音嘶哑或情绪激动而造成的音高或音质的突变。用于指嗓音
To break down; fail:
失去控制；衰退：
例句：
The defendant`s composure finally began to crack.
被告最终开始失去镇定了

To have a mental or physical breakdown:
崩溃：精神上或体力上的崩溃：
例句：
cracked under the pressure.
在压力下崩溃了

To move or go rapidly:
快速移动：
例句：
was cracking along at 70 miles an hour.
以每小时七十英里的速度快速行驶

Chemistry To break into simpler molecules by means of heat.
【化学】 裂化：通过加热分解成更简单的分子
v.tr.（及物动词）
To cause to make a sharp, snapping sound.
使发出尖锐的爆裂声
To cause to break without complete separation of parts:
使裂开：使裂开但并未造成部分的完全分裂：
例句：
cracked the glass.
敲碎玻璃



To break with a sharp, snapping sound.See Synonyms at break
使有尖锐的爆裂声参见 break
To crush (corn or wheat, for example) into small pieces.
压碎：将（稻谷或小麦等） 压成碎末
To strike with a sudden, sharp sound.
击打：带有突然或尖锐的声音击打
Informal
【非正式用语】
To break open or into:
打开，撬开：
例句：
crack a safe.
打开保险箱

To open up for use or consumption:
打开：打开以供使用或消费：
例句：
crack a book; cracked a beer.
打开书本；打开啤酒

To break through (an obstacle) in order to win acceptance or acknowledgement:
排除障碍：为使他人接受或承认突破（障碍）：
例句：
finally cracked the .men-only. rule at the club.
最终打破了只许男子进入俱乐部的规定

To discover the solution to, especially after considerable effort:
解决：尤指在经过大量努力后发现…的解决方法：
例句：
crack a code.
破译密码

To cause (the voice) to crack.
使（嗓音）变哑
Informal To tell (a joke), especially on impulse or in an effective manner.
【非正式用语】 开玩笑：尤指机智并有效地说（笑话）
To cause to have a mental or physical breakdown.
崩溃：使在精神上或体力上崩溃
To impair or destroy:
损害，破坏：
例句：
Their rude remarks cracked his equanimity.
他们粗俗的话语使他再也不能保持镇定

To reduce (petroleum) to simpler compounds by cracking.
分馏，裂解：通过挤压使（石油）变成更简单的化合物
n.（名词）
A sharp, snapping sound, such as the report of a firearm.
爆裂声：尖锐的爆裂声（如枪击声）


A partial split or break; a fissure.
碎裂，裂缝：部分破裂或裂开；裂缝
A slight, narrow space:
狭缝，窄缝：轻微的狭窄裂缝：
例句：
The window was open a crack.
这扇窗只开了一条细缝

A sharp, resounding blow.
重击声：尖锐且有回声的打击声


A mental or physical impairment; a defect.
缺陷：脑力或体力上的弱点；缺陷
A breaking, harshly dissonant vocal tone or sound, as in hoarseness.
沙哑声，变声：破裂、尖锐刺耳的音调或声音，如沙哑
An attempt or try:
试图，尝试：
例句：
gave him a crack at the job; took a crack at photography.
让他试着干这工作；试着从事摄影工作

A witty or sarcastic remark.See Synonyms at joke
俏皮话，挖苦话参见 joke
A moment; an instant:
一瞬；片刻：
例句：
at the crack of dawn.
黎明时分

Slang Chemically purified, very potent cocaine in pellet form that is smoked through a glass pipe and is considered highly and rapidly addictive.
【俚语】 快克：一种经过高度化学提纯的可卡因药丸，通过玻璃烟管吸取，很容易使人上瘾
adj.（形容词）
Excelling in skill or achievement; first-rate:
一流的，顶尖的：在技艺或成就上超群的；第一流的：
例句：
a crack shot; a crack tennis player.
神枪手；一流的网球运动员


<常用词组>crack down
To act more forcefully to regulate, repress, or restrain:
严厉取缔：采取严厉措施来规定、抑制或约束：
例句：
The police cracked down on speeding.
警察取缔超速行车

crack up 【非正式用语】
To praise highly:
高度赞扬：
例句：
He was simply not the genius he was cracked up to be.
他不象人们所赞扬的那样是个天才

To damage or wreck (a vehicle or vessel):
损坏：（汽车、轮船等）撞坏或摧毁：
例句：
crack up a plane; crack up a boat.
撞毁了一架飞机；撞沉了一条船

To wreck a vehicle in an accident:
撞车：在事故中撞毁一辆汽车：
例句：
cracked up on the expressway.
在高速公路上撞车了

To have a mental or physical breakdown.
崩溃：在精神上或体力上的崩溃
To experience or cause to experience a great deal of amusement:
大笑：经历或使经历极大的快乐：
例句：
really cracked up when I heard that joke.
听到那个笑话我真想大笑

<习惯用语>crack the whip
To behave in a domineering manner; demand hard work and efficiency from those under one`s control.
盛气凌人地：以盛气凌人的方式表现；要求其下属努力并有效地干活
来源：
Middle English craken
中古英语 craken
from Old English cracian * see ger…- 2
源自 古英语 cracian *参见 ger…- 2