鸟尽弓藏 (鳥盡弓藏) niǎo jìn gōng cáng

niǎo jìn gōng cáng noun the birds are over, the bow is put away; to get rid of sb once he has served his purpose
Domain: Idiom 成语 , Concept: Bird 鸟
Notes: (CC-CEDICT '鳥盡弓藏')