翻手为云覆手变雨
fān​shǒu​wéi​yún​fù​shǒu​biàn​yǔ

very powerful and capable

翻手为云覆手变雨 翻手為雲覆手變雨 fān​shǒu​wéi​yún​fù​shǒu​biàn​yǔ
very powerful and capable
Literally means "turning the palm up gathers the clouds, and turning the palm down brings the rain"; used to describe someone who is extremely powerful and capable of manipulating situations at-will manipulation.