洞若觀火

Simplified: 洞若观火

dòngruòguānhuǒ ㄉㄨㄥˋ ㄖㄨㄛˋ ㄍㄨㄢ ㄏㄨㄛˇ

    • lit. to see sth as clearly as one sees a blazing fire (idiom)
    • fig. to grasp the situation thoroughly

Character by character

Sources