backstab
backstab — 名詞
1. an act of secretly harming someone's reputation or interests while pretending to
暗算；背刺
假朋友在背後暗中背叛
an act of secretly harming someone's reputation or interests while pretending to be a friend, especially by saying negative things about them when they are not present.
Chiara felt deeply backstabbed when her work friend told the manager about her job search.
Chiara 覺得被深深暗算了，因為她的職場朋友向主管透露她在找工作。
past participle: feel backstabbed — emotional response to betrayal
Samir called it the worst act of backstabbing he had experienced when his ally voted against his project.
Samir 說這是他經歷過最嚴重的背刺行徑——他的盟友投票反對他提出的專案。
act of backstabbing — gerund-noun construction
The student election became a series of backstabs as candidates worked against former allies.
學生選舉變成了一連串的暗算，候選人紛紛對付過去的盟友。
Tendai warned his teammate that hiding the error would be backstabbing the whole team.
Tendai 警告他的隊友，隱瞞錯誤就是在背刺整個團隊。
Bao realized the person who had backstabbed them was a friend they had defended many times.
Bao 發現暗算他們的人竟然是他們多次維護過的一位朋友。
- betrayal
broader and more formal; covers any breaking of trust, not only secret attacks
- treachery
more literary and dramatic; implies deep disloyalty, often in political or military settings
- stab in the back
more vivid and informal; an idiomatic phrase that means the same thing
用法筆記
Commonly used in workplace or social contexts where the betrayer maintains a friendly outward appearance. The word is almost always informal and carries strong emotional weight.