◎濫竽充數lànyú-chōngshù
[pass oneself off as one of the players in an ensemble;hold a post without adequate qualifications; simply to make up the number] 不會(huì )吹竽的人，混在吹竽的樂(lè )隊里充數(故事見(jiàn)《韓非子·內儲說(shuō)上》)。比喻沒(méi)有真才實(shí)學(xué)的人混在行家里面充數，或是以次貨充好貨。也用作自謙之詞