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

• Family problems made him crack up.
  家庭问题弄得他精神崩溃了。
• 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 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。
• You'll crack up if you carry on working like this.
  你再这样干下去，身体会垮掉的。
• 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 damaged windshield began to crack up all over.
  破损的挡风玻璃开始全部裂开。
• Numerical examples show that high brittleness index can improve the bearing capacity stability of the structure and the existence of crack set up in advance will increase the ductility of the structure, but it may result in the reduction of ultimate bearing capacity.
  数值计算表明：增加脆性指数可以提高结构的承载稳定性；初始预制缝可以增加结构延性但会降低极限承载力。
• 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 comedian made his audience crack up with laughter.
  喜剧演员令他的观众笑得要命。
• 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