翻云覆雨

fān yún fù yǔ

to produce clouds with one turn of the hand and rain with another (idiom); fig. to shift one's ground

tricky and inconstant; to make love

翻

fān

variant of 翻[fan1]

云

yún

abbr. for Yunnan Province 雲南省|云南省[Yun2 nan2 Sheng3]

覆

fù

to cover

雨

yǔ

rain