ㄋㄧㄠˇㄐㄧㄣˋㄍㄨㄥㄘㄤˊniǎojìn‑gōngcáng

鸟尽弓藏
  1. 飛鳥弓箭不再使用比喻事情成功遺忘拋棄曾經幫助自己 過去付出怎麼可以鳥盡弓藏忘恩負義?」。

lit. the birds are over, the bow is put away (idiom)​; fig. to get rid of sb once he has served his purpose