看美剧学英语习语：Stab sb in the back

owenlee

Stab sb in the back：to do something harmful to someone who trusted you. it is a betrayal of trust, an act of treachery, as in Voting against our bill at the last minute was a real stab in the back.

中文释义：“Stab sb in the back”用以表达背信弃义，向某人背后“捅刀子”，一般形容比较令人受伤的背叛和不忠。这个短语伴随着的往往是一种强烈的愤慨与谴责，对应的中文语境有：背后说某个曾经对其有恩、有助或信任者的坏话，以败坏该人的名声；暗地里玩劈腿或吃里扒外等。