捧腹大笑

捧腹大笑(belly laugh, split one's sides with laughter、腹を抱える、大笑いする)
----peng3 fu4 da4 xiao4

例句:
聽了他的笑話,大家都忍不住地捧腹大笑.
Ting1 le ta1 de xiao4 hua4 ,da4 jia1 dou1 ren3 bu2 zhu4 de peng3 fu4 da4 xiao4.
(His joke makes everyone split their sides with laughter )