no le creo

I don't believe him/her

→ no
phrase Uncommon #14,264
I don't believe him/her Depending on context, le can also mean “you” in the formal singular form. The pronoun refers to the person whose words or claims are not believed.
SP: Dice que no rompió el vaso, pero no le creo.
EN: He says he didn't break the glass, but I don't believe him.

Se lo dije, no le creo.

I told him, I don't believe him.

— La gran belleza (2013)

No le creo, señor.

I don't believe him, sir.

— Caché (Escondido) (2005)

No le creo a Tom.

I don't believe Tom.

Lo siento pero no le creo.

I'm sorry, but I don't believe him.

— Academia Rushmore (1998)

No le creo, pero dice que Franco Zeffirelli estaba ahí.

I don't believe him, but he says Franco Zeffirelli was there.

— Fue la mano de Dios (2021)

Ya no le creo.

I don't believe him anymore.

Él me dijo que era un mentiroso, pero no le creo.

He told me I was a liar, but I don't believe him.

No le creo en absoluto.

I don't believe him at all.