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 manganese sulfide inclusions to a different degree make the resistance curves of crack propagation move up or down, but there is not obvious influence on the slops of resistance curves of crack growth.
  不同程度的硫化锰夹杂使得裂纹扩展阻力曲线上下移动，而对阻力曲线的斜率无明显影响；
• 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。
• 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
• The damaged windshield began to crack up all over.
  破损的挡风玻璃开始全部裂开。
• Pressure of work caused John to crack up.
  工作压力使约翰身体垮了。
• 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
• Fortune even took a crack at coming up with 11 features the Apple TV must have.
  《财富》杂志（Fortune）甚至尝试着列举了《苹果电视必备的11项功能》。
• E.g.His jokes made her crack up.
  他的笑话让她大笑不止。
• They won't crack up, no matter what you do.
  哎呀，我知道了，无论你做什么，他都不会有反映的。