禍起蕭牆

Simplified: 祸起萧墙

huòqǐxiāoqiáng ㄏㄨㄛˋ ㄑㄧˇ ㄒㄧㄠ ㄑㄧㄤˊ

    • trouble arising from within
    • internal strife

Character by character

Sources