no le creas

don't believe him/her

→ no
phrase Rare #31,096
don't believe him/her A negative command using the informal singular tú form. The pronoun le refers to the person whose words or claims should not be believed.
SP: No le creas todo lo que dice.
EN: Don't believe everything he says.

No le creas, Rose.

Don't believe him, Rose.

— Titanic (1997)

Lo que sea que él diga, no le creas.

Whatever he says, don't believe him.

No le creas a la gente que dice que aprendió el francés en tres días.

Don't believe people who say they learned French in three days.

No le creas.

Don't believe him.

— Yojimbo. El mercenario (1961)

No le creas una palabra.

Don't believe a word he says.

— Yojimbo. El mercenario (1961)

Entonces, no le creas.

Then don't believe him.

— Todo sobre mi madre (1999)

No le creas, no lo quería.

Don't believe him; he didn't want it.

— Guardianes de la noche (2004)

No le creas a la gente que dice saberlo todo.

Don't believe people who claim to know everything.

No importa lo que él diga, no le creas.

No matter what he says, don't believe him.