充数chōng∥shù用不胜任的人或不合格的物品来凑足数额{make up numbers by including incompetent or unqualified people or things}: 滥竽～{pass oneself off as a player in an ensemble; serve as a stopgap}|要是人手实在不够,就由我去充个数吧。{If you're really short of hands, I'll serve as a stopgap.}