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

• 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。
• The article instructs the reason and characteristics of ground floor engineering crack and brings up the measure of prevention and control from design construction etc and explains with the example of engineering
  文章阐述了地下室工程裂缝的产生原因及特征，从设计、施工等方面提出了预防及其控制措施，并通过工程实例予以说明
• If he doesn't rest he'll crack up soon.
  他要是不休息，他很快会垮掉的。
• 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。
• 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。
• Expression for fatigue crack life is set up which takes energy of plastic deformation for crack propagation as the damage variable.
  建立以裂纹扩展塑性变形能为损伤变量的疲劳裂纹寿命表达式。
• 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。
• E.g.His jokes made her crack up.
  他的笑话让她大笑不止。
• The comedian made his audience crack up with laughter.
  喜剧演员令他的观众笑得要命。
• The paper explores the main cause of concrete crack and comes up with the measures to control and deal with it according to concrete situation.
  文章对混凝土裂缝的主要成因进行了探讨，并针对具体情况提出了一些控制、处理措施。