翻手為云，覆手為雨（翻手爲雲(yún)，覆手爲雨）　

◎ 翻手為云，覆手為雨 fān shǒu wéi yún,fù shǒu wéi yǔ

[as changeable as the moon;blow hot and cold] 手向上翻時是云,手向下翻是雨。比喻反復無?；蛏朴谒Ｊ侄巍⑴獧嘈g