они не дадут

they won't let

→ они
phrase Rare #34,492
they won't let Used before an infinitive to say that they will prevent someone from doing something.
RU: Они не дадут мне уйти.
EN: They won't let me leave.

Они не дадут этому хода.

They won’t let this go anywhere.

Они не дадут Тому сбежать.

They won't let Tom escape.

Они не дадут ей сбежать.

They won't let her escape.