兄弟鬩牆

Simplified: 兄弟阋墙

xiōngdìxìqiáng ㄒㄩㄥ ㄉㄧˋ ㄒㄧˋ ㄑㄧㄤˊ

    • internecine strife (idiom) fighting among oneself

Character by character

Sources