не поможешь

won't help; could you help?

→ не
phrase Rare #34,315
won't help; could you help? Can be a simple negative statement meaning “you won't help,” or, especially as a question, a request meaning “could you help?” or “would you help?”
RU: Не поможешь мне донести эти коробки?
EN: Could you help me carry these boxes?

Надо уходить, ты ему не поможешь.

We need to leave; you can't help him.

— Ночной дозор (2004)

Ты не поможешь отцу?

Won't you help your father?

— Ведьма (2016)

Если ты не поможешь Тому, он умрёт.

If you don't help Tom, he'll die.

Им уже не поможешь.

There's nothing more you can do for them.

Ты не поможешь Тому?

Won't you help Tom?

Не поможешь увести их подальше?

Can you help me take them away?

— Порко Россо (1992)