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

If John goes on working and worrying as he has been doing he's bound to crack up sooner or later.
如果约翰照这样继续工作和忧虑下去，他的健康迟早一定会崩溃。
But there was this perfect crack all the way up to the top.
那儿一条岩缝刚好一直延伸到山顶。
We all just cracked up laughing.
我们都不禁哈哈大笑起来。
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。
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。
As our researchers found that when people comes to their middle and old age, most of them can't have a high-quality sleep because their body diathesis decline and the physiological function slowly crack up.
因为我们的科研人员发现，人到中老年，随着身体素质的下降和生理机能的渐衰，一般睡眠质量都不高。
I kept a straight face as long as I could, but I finally had to crack up.
我尽量板着面孔，但最后还是控制不住失声大笑起来。
Based on the investigation about crack instance in concrete pavement since it was open to traffic and used for several years, this paper analyzes the causation of crack, puts up some controlling measures, which has some referencing value to promote the quality of concrete pavement.
本文针对水泥混凝土路面在开放初期以及使用几年后出现裂缝情况的调查，分析产生裂缝的原因及其控制措施，对促进混凝土路面的修筑质量，具有一定的参考价值。
I'd crack up if there wasn't someone I could talk to.
如果找不到人谈谈心我会得神经病的。
Family problems made him crack up.
家庭问题弄得他精神崩溃了。