Stab (someone) in the back

Translation stab (someone) in the back into russian

I can't believe he would stab me in the back like that after all we've been through.

Не могу поверить, что он воткнул мне нож в спину после всего, что мы пережили.

To betray someone, especially by acting against their interests or trust, often in a deceitful or underhanded manner.