не упусти

don't miss it

→ не
phrase Uncommon #18,137
don't miss it Informal singular imperative. Depending on context, it can mean “don't miss the opportunity” or “don't let him/her/it get away.”
RU: Не упусти свой шанс!
EN: Don't miss your chance!

Не упусти его!

Don't miss him!

— М убийца (1931)

Не упусти эту невероятную возможность.

Don't miss this incredible opportunity.

Не упусти свой самолет.

Don't miss your plane.

— Психо (1960)

Не упусти этот шанс!

Don't miss this chance!

Не упусти его.

Don't let him slip away.

— Парень из гетто (2019)

Не упусти шанс это сделать.

Don't miss the chance to do it.