так не поступил

wouldn't do that

→ так
phrase Rare #25,734
wouldn't do that Literally means “didn't act that way.” With с кем-то, it means “wouldn't treat someone that way” or “wouldn't do that to someone.” The form поступил is masculine singular; the ending changes with the subject and tense.
RU: Я бы так не поступил, даже если бы был зол.
EN: I wouldn't do that, even if I were angry.

Том никогда бы так не поступил.

Tom would never do that.

Он бы с ней так не поступил.

He wouldn't have treated her that way.

Я бы с тобой так не поступил.

I wouldn’t treat you like that.