crack up
US /kræk ʌp/
UK /kræk ʌp/

短语动词
1.
捧腹大笑, 笑得不行
to laugh uncontrollably or to cause someone to laugh uncontrollably
示例:
•
The comedian's joke made everyone crack up.
喜剧演员的笑话让每个人都捧腹大笑。
•
I always crack up when I watch that movie.
我看那部电影时总是笑得不行。
2.
精神崩溃, 发疯
to suffer a mental or physical breakdown
示例:
•
The pressure of the job caused him to crack up.
工作的压力使他精神崩溃。
•
She was afraid she would crack up under the stress.
她害怕在压力下崩溃。
在 Lingoland 学习这个单词