גָּמָל רָעָה, גָּמָל רָעָה תַּחַת טוֹבָה, הֵשִׁיב רָעָה תַּחַת טוֹבָה

ביטוי (אנגלית)

To return evil for good / bite the hand that feeds you

הגדרה (אנגלית)

Commit an evil deed. Behave under the guise of goodness.

(Commit an evil deed. Behave with cruelty under the guise of goodness. (See 1 Samuel 24:17 above; also: "He said to his men, 'But to the liar I kept all that belongs to this one (the one who comes here to meet us), we kept this property, and now he has returned evil for good'" - Malbim 1 Samuel 25:21))