「backstab」を英語から日本語に翻訳する

裏切る, バックスタッブは、「backstab」を英語から日本語に変換したものです。

backstab verb 文法

(transitive) to attack someone (especially verbally) unfairly in a deceitful, underhand, or treacherous manner, especially when they're not present in the place or situation that it happens. (as if stabbing them in the back). See backbite. [..]