默默無聞

Simplified: 默默无闻

On the HSK 7-9 vocabulary list, at CEFR level C1.

mòmòwúwén ㄇㄛˋ ㄇㄛˋ ㄨˊ ㄨㄣˊ

    • unknown unrenowned

      idiom

Character by character

Sources