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

• The damaged windshield began to crack up all over.
  破损的挡风玻璃开始全部裂开。
• The comedian made his audience crack up with laughter.
  喜剧演员令他的观众笑得要命。
• If he doesn't rest he'll crack up soon.
  他要是不休息，他很快会垮掉的。
• Family problems made him crack up.
  家庭问题弄得他精神崩溃了。
• 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。
• 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
• We all just cracked up laughing.
  我们都不禁哈哈大笑起来。
• You'll crack up if you carry on working like this.
  你再这样干下去，身体会垮掉的。
• 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