"he opened the window a crack"
"the crack of a whip"
"he heard the cracking of the ice"
"he can hear the snap of a twig"
"he wanted a shot at the champion"
"there was a crack in the mirror"
"he took a crack at it"
"I gave it a whirl"
"an ace reporter"
"a crack shot"
"a first-rate golfer"
"a super party"
"played top-notch tennis"
"an athlete in tiptop condition"
"she is absolutely tops"
"The glass cracked when it was heated"
"His gun cracked"
"his fingers snapped"
"The teacher cracked him across the face with a ruler"
"Registrations cracked through the 30,000 mark in the county"
"The glass cracked"
"The pipe snapped"
"she cracked my password"
"crack a safe"
"crack a joke"
"heat and light cracked the back of the leather chair"
"The petroleum cracked"
The police are really beginning to crack down on drivers who park their cars just where they like.
警察真要对那些随便停放汽车的司机采取严厉措施了。
The city authorities decided to crack down on illegal trading.
该市当局决定取消黑市买卖。
Inside the reactor the large molecules are cracked into smaller molecules.
在反应堆里,大分子裂变为小分子。
We set the flying jib and cracked on.
我们扯起三角帆,顺风行驶。
The land cracked up because of the drought.
土地因干旱而龟裂。
The airplane cracked up in landing.
那架飞机着陆时撞毁了。
crack sth ⇔ upJohn cracked up his car.
约翰把自己的车撞毁了。
crack upPressure of work caused John to crack up.
工作压力使约翰身体垮了。
If he doesn't rest he'll crack up soon.
他要是不休息,他很快会垮掉的。
Poor Tom cracked up under the strain of overwork.
可怜的汤姆劳累过度,身体垮了。
Stop talking to yourself, or people will think you're cracking up!
别自言自语了,不然人们会以为你得了精神病呢!
When the court pronounced him death penalty, the accused totally cracked up.
当法庭宣判被告死刑时,被告人的精神完全崩溃了。
crack sb/sth ⇔ upYou should have heard them cracking him up!
你真该听听他们对他如何大捧而特捧。
He is not so clever as he has been cracked up to be.
他并不像某些人吹捧的那样聪明。
I don't think this new sewing-machine is everything it's cracked up to be.
我 看这台新缝纫机不如他们吹嘘得那么好。