Mao Sui recommends himself (idiom); to offer one's services (in the style of Mao Sui offering his services to king of Chu 楚 of the Warring states)
秦兵攻打赵国，平原君奉命到楚国求救，门客毛遂自动请求跟从。在谈判中，毛遂挺身而出，陈述利害，说动楚王出兵。后用来借指自己推荐自己。
主谓式；作谓语、宾语、定语；含褒义
毛遂自我推荐。比喻自告奋勇，自己推荐自己担任某项工作。
《史记·平原君列传》记载：秦军围攻赵国都城邯郸，平原君去楚国求救，门下食客毛遂自动请求一同前去。到了楚国，毛遂挺身而出，陈述利害，楚王才派兵去救赵国。
我作毛遂自荐，居然被校长核准了。这样才勉强捱过难关。 ◎邹韬奋《经历·深挚的友谊》