crack up

英 [kræk ʌp]

美 [kræk ʌp]

（因精神压力大而）垮掉，崩溃; （使）大笑

柯林斯词典

PHRASAL VERB (因精神压力大而)垮掉，崩溃
If someonecracks up, they are under such a lot of emotional strain that they become mentally ill.
1. She would have cracked up if she hadn't allowed herself some fun.
  她若是没给自己找点乐趣的话，早就崩溃了。
PHRASAL VERB (使)大笑
If youcrack upor if someone or somethingcracksyouup, you laugh a lot.
1. She told stories that cracked me up and I swore to write them down so you could enjoy them too...
  她讲了几个令我捧腹大笑的故事，我一定要写下来，好让你也乐乐。
2. We all just cracked up laughing.
  我们都不禁哈哈大笑起来。

英英释义

verb

laugh unrestrainedly
Synonym:break up
rhapsodize about
suffer a nervous breakdown
Synonym:crackcrock upbreak upcollapse

双语例句

Cyril is going to crack up If he does not stop working so hard.
如果西里尔继续这样拼命工作，他会垮下来的。
After normalized water storage of the reservoir, the bank slope's stress field changed farther and impelled the tension crack expanding further up and down, but the outward development trend was weakened.
库区正常蓄水后，岸坡应力场进一步发生变化，促使拉裂缝进一步向下、向上发展，但向外发展的趋势减小。
The damaged windshield began to crack up all over.
破损的挡风玻璃开始全部裂开。
Little kids just crack me up with the things they say.
小孩子们说的话真的让我捧腹不已。
The problem that aims at to carve the body structure wall body crack carried on a study, investigating the wall body crack output part and form, analyzing the reason of the wall body crack, tally up to prevent from the measure of the wall body crack.
提要针对砌体结构墙体裂缝的问题进行了探讨，调查了墙体裂缝产生的部位及形式，分析了墙体裂缝的成因，总结了防止墙体裂缝的措施。
She told stories that cracked me up and I swore to write them down so you could enjoy them too
她讲了几个令我捧腹大笑的故事，我一定要写下来，好让你也乐乐。
It is unlikely that a crack squad set up in 2006 to investigate manipulated data will, or can, catch all offenders.
2006年为调查人为操纵数据而组建的一个精锐小组，不太可能抓住所有违规者。
If he doesn't rest he'll crack up soon.
他要是不休息，他很快会垮掉的。
Analysis of crack in the up slab of a building basement
某办公大楼地下室顶板裂缝分析
She would have cracked up if she hadn't allowed herself some fun.
她若是没给自己找点乐趣的话，早就崩溃了。