stab in the back片語動詞

背叛、背後捅刀、出賣可拆開

He stabbed his closest colleague in the back to get the promotion.

他為了升職，背後捅了最要好的同事一刀。

背叛、背後中傷

Her sudden resignation felt like a stab in the back.

她突然辭職，讓人感覺像是一種背叛。