卸磨杀驴 (卸磨殺驢) xiè mó shā lǘ

xiè mó shā lǘ set phrase to kill the donkey when the grinding is done; to get rid of somebody once he has ceased to be useful
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: (CC-CEDICT '卸磨殺驢')