no le he dicho nada

I haven't told him/her anything

→ no
phrase Rare #37,800
I haven't told him/her anything The indirect object pronoun le can mean him, her, or you (formal), depending on context.
SP: No le he dicho nada a mi hermana.
EN: I haven't told my sister anything.

No le he dicho nada a Andrew.

I haven't told Andrew anything.

— La asistenta (2025)

No le he dicho nada.

I haven't told him anything.

Todavía no le he dicho nada a ella.

I haven't told her anything yet.

— Pixote, la ley del más débil (1980)

De los chinos que te fumas no le he dicho nada.

I haven't said anything to him about the Chinese cigarettes you smoke.

— Dolor y gloria (2019)

Yo no le he dicho nada.

I haven't told him anything.