Words:飼いKai = the state of being kept as a pet /
犬Inu = dog /
にni = ablative joshi particle /
手Te = hand /
をo = accusative joshi particle /
噛まれるKamareru = bitten; the passive form of the verb 噛むKamu = bite /
Notes:
Meaning that you are bitten by your dog, it refers to the situation where someone you cared for, loved or fostered betrays you. The usage is the same as the English equivalent. Also, it’s another way to say On o Ada de Kaesu.