bite the hand that feeds one in Italian
bite the hand that feeds one in Italian
mordere la mano che ti nutre
(idiomatic) To cause harm to a benefactor (especially one that one is dependent on, thus with the idea that this behaviour is self-damaging).
sputare nel piatto in cui si mangia
(idiomatic) To cause harm to a benefactor (especially one that one is dependent on, thus with the idea that this behaviour is self-damaging).