裂缝

crack(noun)

a split or break

使断裂

crack(verb)

to (cause to) break partly without falling to pieces

缝隙

crack(noun)

a narrow opening

使裂开

crack(verb)

to break (open)

爆裂声

crack(noun)

a sudden sharp sound

发出爆裂声

crack(verb)

to make a sudden sharp sound of breaking

猛击

crack(noun)

a blow

说笑话

crack(verb)

to make (a joke)

俏皮话

crack(noun)

a joke

以非法手段砸开

crack(verb)

to open (a safe) by illegal means.

第一流的

crack(adjective)

expert

上瘾的毒品

crack(noun)

a very addictive drug

辨认（暗码）

crack(verb)

to solve (a code).

（因压力而）垮掉，瓦解

crack(verb)

to give in to torture or similar pressures