1.burst into laughter 突然大笑

2.cracka smile 展颜微笑，莞尔一笑

3.explodewith laughter 哄堂大笑

4.force a smile 强作欢颜

5.burst into gales of laughter 爆发出阵阵笑声

6.grin with delight 高兴的咧嘴而笑

7.a hearty burst of laughter 一阵爽朗的欢笑

8.in stitches 笑不可支

9.laugh at 嘲笑

10.laugh it off 一笑而过

11.laughingstock 笑料；笑柄

12.laugh in the breeze迎风欢笑

13.laugh oneself to death 差点没笑死

14.laugh people around into a better humour 笑得周围的人心情好起来

15.laugh a hearty laugh 放声大笑，开怀大笑

16.laugh and grow fat 心宽体胖

17.roars of laughter 大笑声

18.a saccharinesmile 谄笑，谄媚的笑

19.roll in the aisles 乐不可支，笑得东倒西歪

20.scream with laughter 笑得前仰后合

21.snicker窃笑

22.snort（讽刺、轻蔑地）高声大笑

23.shriekwith laughter 尖声狂笑

24.smile shyly 羞嗒嗒地微笑

25.beam with smiles 笑容满面；笑逐颜开

26.be all smiles 笑容满面, 喜气洋洋

27.toothpaste smile [美口]牙膏广告上露出皓齿的微笑

28.simmer with laughter 忍俊不禁

29.smile on sb. 朝某人微笑

30.smirk 傻笑；假笑

31.smile bitterly 苦笑

32.giggle 咯咯地笑

33.grin 咧嘴而笑

34.grin from ear to ear 嘴咧得大大地笑

35.chuckle轻声笑；咯咯笑