all smiles; smiling mischievously or ingratiatingly
嬉耍嬉耍xi1 shua3
to play
嬉戏嬉戲xi1 xi4
to frolic; fun; a romp
嬉笑嬉笑xi1 xiao4
to be laughing and playing; to giggle
嬉笑怒骂嬉笑怒罵xi1 xiao4 nu4 ma4
lit. laughs, jeers, anger and invective (idiom); fig. all kinds of emotions; to mock and scold; (of writing) freely roving; following the author's fancy
嬉游嬉遊xi1 you2
to amuse oneself; to have fun
业荒于嬉業荒於嬉ye4 huang1 yu2 xi1
to be distracted from one's work and fail to achieve results (idiom)