1.微笑 - smile
Her smile makes her even more beautiful.
她的微笑使她更美丽了。
2.大笑 - laugh
Laugh, and the world laughs with you; weep, and you weep alone.
你笑，世界也会跟着你一起笑。你哭，却只能独自一人。
3.露齿而笑 - grin
People who confess to feeling happy also grin more than others.
承认感觉幸福的人们也会比别人更喜欢咧着嘴笑。
4.轻声地笑 - chuckle
She was roused by a chuckle which Mr. Dorset seemed to
eject from the depths of his lean throat.
多森先生从他那瘦弱的喉咙深处迸出一阵笑声，把她吓了一跳。
