毛遂自荐 (毛遂自薦) máo suì zì jiàn

máo suì zì jiàn set phrase Mao Sui recommends himself / to offer one's services / to volunteer
Domain: Idiom 成语
Notes: After a story about Warring States figure 毛遂 Mao Sui (CC-CEDICT '毛遂自薦'; CCI '毛遂自荐', pp. 82-83; Guoyu '毛遂自薦')