1.夸奖;吹捧某人
2.(人,身体等)疲惫不堪,有气无力;〔美俚〕(飞机)坠毁,撞毁;引起(哄堂)大笑;忍不住大笑;笑痛肚子
1.to become mentally ill
2.to suddenly laugh a lot at something; to make someone laugh a lot
3.used for saying that something is not as good as people say that it is
1.To start, slot your foot (big toe up, pinky toe down) into the crack up to the arch of your foot, keeping your knee out to the side.
首先，把脚尖到足弓的部分楔入裂缝中去（大脚趾在上，小指在下），膝盖保持向外。
2.The media made a meal of it for days, speculating about whether Clinton was about to crack up or get carried away by her hormones.
媒体接连数日对此进行了连篇累牍的报道，纷纷猜测雌性荷尔蒙是否会导致希拉里就此败北。
3.If you go on working like this you're bound to crack up sooner or later.
如果你继续这样干下去，你的身体早晚要搞垮。
4.The damaged windshield began to crack up all over.
破损的挡风玻璃开始全部裂开
5.Suddenly, without warning the plane seemed to crack up as it was about to take off.
飞机将要起飞时，突然，没有得到任何警告，就好像要撞裂了。
6.Despite the crack-up, Mia's mind is in fine form: she's learned and thoughtful; her head is stuffed with Freud, Hegel, Rilke and Blake.
虽然经历剧变，米娅的头脑依然聪慧：她博文广知，思维缜密，脑子里充满了弗洛伊德、黑格尔、里尔克以及威廉•布莱克的思想。
7.When we met other gingers, I'd smugly announce, "Look, one of yours! " and expect the both of them to crack up at my sparkling wit.
当我们碰上其他的红头发时，我自鸣得意地宣布：“看，你们的同类！”并等待着她们为我的“机智”而抓狂。
8.In the scene where Harry, Ron, and Hermione are discussing Harry's kiss with Cho, the three begin to crack up near the end of the scene.
在哈利、罗恩及赫敏（在公共休息室壁炉前）讨论哈利与秋·张那个吻的场景，三人在这场戏快结束时捧腹大笑起来。
9.so i figure a year , maybe two , before you crack up .
所以我想，一年，也许两年在你失去控制或是
10.But let's have the kids crack up laughing as they watch their drunken dad try to proposition an empty wallet.
不过应该加上这一幕：孩子们看见他们喝醉的父亲向一个空钱包求爱时，忽然爆发一阵大笑。