雁过拔毛

1. 雁过拔毛 (yànguò-bámáo)

   1. 大雁飞过都要伸手拔几根毛,比喻凡是过手的事都要得些好处,绝不轻易放过 spare no effort in taking advantage of what one puts his hand on

雁过拔毛是成语。