no se lo diga a nadie

don't tell anyone

→ no
phrase Rare #45,392
don't tell anyone Polite or formal way to ask someone not to share a secret or information.
SP: No se lo diga a nadie, por favor.
EN: Please don't tell anyone.

Me dijiste que no se lo diga a nadie.

You told me not to tell anyone.

Don Pietro, por favor, no se lo diga a nadie.

Don Pietro, please, don't tell anyone.

— Roma. Ciudad abierta (1945)

No se lo diga a nadie.

Don't tell anyone.

— La linterna roja (1991)

Por favor, no se lo diga a nadie.

Please don't tell anyone.