into laughter 突然大笑

2.crack a smile 展顏微笑，莞爾一笑

3.explode with laughter 哄堂大笑

a smile 強(qiáng)作歡顏

into gales of laughter 爆發(fā)出陣陣笑聲

with delight 高興的咧嘴而笑

7.a hearty burst of laughter 一陣爽朗的歡笑

stitches 笑不可支

at 嘲笑

it off 一笑而過

ngstock 笑料；笑柄

in the breeze 迎風(fēng)歡笑

oneself to death 差點(diǎn)沒笑死

people around into a better humour 笑得周圍的人心情好起來

a hearty laugh 放聲大笑，開懷大笑

and grow fat 心寬體胖

of laughter 大笑聲

18.a saccharine smile 諂笑，諂媚的笑

in the aisles 樂不可支，笑得東倒西歪　　

with laughter 笑得前仰后合

21.snicker 竊笑

22.snort （諷刺、輕蔑地）高聲大笑

23.shriek with laughter 尖聲狂笑　

shyly 羞嗒嗒地微笑

with smiles 笑容滿面；笑逐顏開

all smiles 笑容滿面, 喜氣洋洋

aste smile [美口]牙膏廣告上露出皓齒的微笑

with laughter 忍俊不禁

on sb. 朝某人微笑

傻笑；假笑

bitterly 苦笑

咯咯地笑

咧嘴而笑

from ear to ear 嘴咧得大大地笑

35.chuckle 輕聲笑；咯咯笑