微笑

微笑
put a smile on someone’s face 使某人高兴
be all smiles 笑容满面
grin from ear to ear 咧着嘴笑
keep smiling 保持微笑，乐观
something smiled on someone 好事降临某人
强忍住笑 trying not to laugh
开怀大笑 bursting with laughter