恩を仇で返す (おんをあだでかえす) Japanese meaning | KotomoraMeanings
1
expression, godan verb (-su)
return evil for good; bite the hand that feeds you
idiomatic expression
Idiomatic expression meaning to repay kindness with malice or ingratitude. Often used to criticize ungrateful behavior.
返
す
な
。
Don't bite the hand that feeds you.