默默无闻 (mò mò wú wén)

(idiom) unknown; unrenowned

Character breakdown

Usage

他在平凡的岗位上默默无闻地奉献。

obscure and unknown (idiom); an outsider without any reputation; a nobody; an unknown quantity

tā zài píng fán de gǎng wèi shàng mò mò wú wén dì fèng xiàn 。