n.阴谋暗算他人者，暗箭伤人者，背后中伤者

Obnoxious backstabber → 可憎的暗箭伤人者
Backroom Backstabber → 幕后智囊；密谋的暗害者
backstabber-out → 食言
backstabber friends → 我恨
cocroaches and backstabber → 我恨
i hate backstabber and stalker → 我恨
aku banci kawan yg backstabber → 我恨

1. Be careful what you say around Mary. She's a backstabber.
[汉]在玛丽旁边说话时要小心, 她是爱在背地里恶语伤人(:说闲话)人.
——来自互联网