ひび

crack(noun)

a split or break

There's a crack in this cup.

裂ける

crack(verb)

to (cause to) break partly without falling to pieces

The window cracked down the middle.

すき間

crack(noun)

a narrow opening

The door opened a crack.

砕く

crack(verb)

to break (open)

He cracked the peanuts between his finger and thumb.

ぱちっという音

crack(noun)

a sudden sharp sound

the crack of whip.

ぱちっと鳴らす

crack(verb)

to make a sudden sharp sound of breaking

The twig cracked as I stepped on it.

ひと打ち

crack(noun)

a blow

a crack on the jaw.

冗談を言う

crack(verb)

to make (a joke)

He's always cracking jokes.

冗談

crack(noun)

a joke

He made a crack about my big feet.

こじあける

crack(verb)

to open (a safe) by illegal means.

優秀な

crack(adjective)

expert

a crack racing-driver.

クラック

crack(noun)

a very addictive drug

He died of too much crack with alcohol

解く

crack(verb)

to solve (a code).

くじける

crack(verb)

to give in to torture or similar pressures

The spy finally cracked under their questioning and told them everything he knew.