stab someone in the back

US /stæb ˈsʌm.wʌn ɪn ðə bæk/
UK /stæb ˈsʌm.wʌn ɪn ðə bæk/
"stab someone in the back" picture
1.

iemand in de rug steken, verraden

to betray someone, especially a friend or someone who trusts you

:
I can't believe she would stab me in the back like that after all we've been through.
Ik kan niet geloven dat ze me zo in de rug zou steken na alles wat we hebben meegemaakt.
He felt completely betrayed when his business partner stabbed him in the back.
Hij voelde zich volledig verraden toen zijn zakenpartner hem in de rug stak.