xī xiào
to be laughing and playing
to giggle
xī yóu
to amuse oneself
to have fun
xī xiào nù mà
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
xī pí xiào liǎn
all smiles
smiling mischievously or ingratiatingly
yè huāng yú xī
to be distracted from one's work and fail to achieve results (idiom)