no le creo

I don't believe him/her

→ no
phrase Uncommon #13,013
I don't believe him/her Le can refer to him, her, or formal you. The phrase means you don't believe what that person says.
SP: Dice que conoce a la cantante, pero no le creo.
EN: He says he knows the singer, but I don't believe him.

¡Ya no le creo una palabra!

I don’t believe a word he says anymore!

— Los Visitantes (1993)

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)

Lo siento pero no le creo.

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

— Tres son multitud (1998)

No le creo, señor.

I don't believe him, sir.

— Escondido (2005)

No le creo a Tom.

I don't believe Tom.

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.

Se lo dije, no le creo.

I told him, I don't believe him.

— La grande bellezza (2013)

No le creo en absoluto.

I don't believe him at all.