| 词组 | crack up |
| 释义 | crack up 1. crack up informal to become mentally ill and unable to deal with your life or work: ▪ Vince worked a 12-hour day and never took weekends off - eventually he just cracked up under the strain. ▪ I've left my car keys in the car. I must be cracking up! ■ SIMILAR TO: ↑fall apart 2. crack up • crack sb up informal to suddenly laugh a lot, or to make someone laugh a lot: ▪ Everyone in the class cracked up when they saw what was written on the blackboard. ▪ Stuart's face is so funny - he really cracks me up. ■ SIMILAR TO: ↑crease up BrE informal 3. sth is not all it's cracked up to be spoken used to say that something is not as good as people say it is: ▪ "Being famous is not all it's cracked up to be," said Whitney. "There's a lot of pressure on you." |
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