crack up

• 短语动词，指大笑起来或把某人逗得大笑，也指精神或情绪崩溃。

A phrasal verb used to indicate bursting into laughter or causing someone to laugh, or to suffer a mental or emotional breakdown.

不可数 · 及物和不及物 · 短语动词，可分

1. Laugh uncontrollablyinformal

   To suddenly start laughing very hard, often in a situation where it is inappropriate.

   大笑起来

   • His joke made everyone crack up.
   • She cracked up during the serious meeting.
   • The comedian's performance caused the audience to crack up.

   同义词break up

2. Suffer a mental breakdowninformal

   To become emotionally or mentally unstable due to stress or pressure.

   精神崩溃

   • He cracked up under the pressure of his job.
   • After months of overwork, she finally cracked up.
   • The constant criticism caused him to crack up.

   同义词break downfall apartgo to pieceslose itsnap

3. Praise excessivelyinformalbritish

   To speak very highly of someone or something, often in an exaggerated way.

   极力称赞

   • The critics cracked up the new movie as a masterpiece.
   • She cracked up her friend's cooking as the best she ever had.
   • He cracked up the new employee's skills to the manager.

   同义词acclaimeulogizeextolhypelaudoverpraisepuff

   反义词belittlecriticizedenigratedeprecatedisparage

基本动词crack