crack up 垮掉；捧腹大笑或嚎啕大哭；吹捧 You'll crack up if you carry on working like this. 你如果继续这样工作下去，身体会垮掉的。 That story really cracked me up. 那个故事真使我捧腹大笑。 He cracked up Jordan to the stars. 他把乔丹捧上了天。