no le hables

don't talk to him/her

→ no
phrase Uncommon #12,858
don't talk to him/her A negative informal command using hablar. Le refers to the person being spoken to; depending on context, it can mean “don't talk to him/her,” “don't speak to him/her,” or “don't talk to him/her about it.” The plural form is no les hables.
SP: No le hables así a tu hermano.
EN: Don't talk to your brother like that.

No le hables cuando esté estudiando.

Don't talk to him when he's studying.

Gracias, pero no le hables más así a mi hija.

Thanks, but don't talk to my daughter like that anymore.

— Mañana empieza todo (2016)

No le hables a la cabra en italiano por favor.

Please don't speak to the goat in Italian.

No le hables mientras maneja.

Don't talk to him while he's driving.

No le hables a tu madre de esa manera.

Don't talk to your mother that way.

No le hables.

Don't talk to him.

— Anora (2024)

No le hables a Tom de nosotros.

Don't tell Tom about us.

No le hables de esa forma.

Don't talk to him/her that way.

No le hables a nadie de esto.

Don't tell anyone about this.

No le hables ni de política ni de tías.

Don't talk to him about politics or girls.

— Los lunes al sol (2002)

No le hables al conductor mientras está conduciendo.

Don't talk to the driver while he's driving.