屢教不改

Simplified: 屡教不改

lǚjiàobùgǎi ㄌㄩˇ ㄐㄧㄠˋ ㄅㄨˋ ㄍㄞˇ

    • lit. not to change, despite repeated admonition
    • incorrigible
    • unrepentant

Character by character

Sources