| 释义 |
crack upphrasal verb (informal) to start laughing a lot开始大笑起来◆he walked in and everyone just cracked up.他一走进来，所有人都捧腹大笑起来。 crack up 1. (informal 非正式) to be unable to deal with pressure and so lose control and become mentally ill （由于不能应付压力而）失控，精神崩溃: ◇he cracked up when his wife left him. 他的妻子一离开他，他便精神崩溃。 2. (slang 俚语) to suddenly start laughing, especially when you should be serious 突然大笑（尤指在应该严肃的时候）crack upsee ⇨ mentally ill 3 crack upphr vinformal 【非正式】 1. [i] to become mentally ill because you have a lot of problems ［精神上由于压力而］失控; 垮掉:◇i'm worried about lisa — i think she's cracking up. 我担心莉萨 — 我想她快崩溃了。 2. not all it's cracked up to be not as good as people think 不如人们所想的那样好:◇life as a model isn't all it's cracked up to be. 模特儿生涯没有人们想的那样好。 |