él impedírselo

to stop someone from doing it, to prevent it for someone

→ impedir
verb · 3rd-person, past tense Rare #51,659
to stop someone from doing it, to prevent it for someone The pronoun refers to the person being stopped; the thing or action being prevented is also referred to.
SP: No quiero impedírselo.
EN: I don't want to stop them from doing it.
Conjugation of impedir
Indicative past
SingularPlural
Third impidió —
impedírselo

Pero es inútil impedírselo.

But there's no point in stopping him from doing it.

— Perfectos desconocidos (2016)

¿Quieres impedírselo?

Do you want to stop him from doing it?

— Casi famosos (2000)

Debemos impedírselo.

We must stop him.

— Casi famosos (2000)

No me es fácil impedírselo.

It's not easy for me to stop him.

— Carandiru (2003)