1.They burst their sides with laughter.
他们肚子都笑疼了。收藏指正
2.They split their sides with laughter.
他们肚子都笑破了。收藏指正
3.They burst their sides with laughter at his joke.
听了他的笑话，他们笑得前仰后合。收藏指正
4.Mother was holding her sides with laughter.
母亲正捧腹大笑。收藏指正
5.She was holding her sides with laughter.
她捧腹大笑。收藏指正
6.We burst our sides (with laughter) at the cross-talk.
我们听了那个相声，笑得前仰后合。收藏指正
7.His sides were shaking with laughter .
他捧腹大笑。收藏指正
8.set people roaring with laughter; make one burst out laughing
令人捧腹收藏指正
9.They burst their sides.
笑破肚皮。收藏指正
10.I burst into laughter.
我放声大笑。收藏指正