自以为是

Traditional (Taiwan): 自以為是

On the HSK 7-9 vocabulary list, at CEFR level C2.

wéishì ㄗˋ ㄧˇ ㄨㄟˊ ㄕˋ

    • to believe oneself infallible (idiom)
    • to be opinionated

Character by character

Sources