no vi a nadie

I didn't see anyone

→ no
phrase Uncommon #23,650
I didn't see anyone Spanish uses a before nadie when it is the object of the verb.
SP: No vi a nadie en el parque.
EN: I didn't see anyone in the park.

Miré en el cuarto, y no vi a nadie.

I looked in the room, and I didn't see anyone.

Al llegar, no vi a nadie.

When I arrived, I didn't see anyone.

No, no vi a nadie.

No, I didn't see anyone.

— Malcolm X (1992)

No vi a nadie aparte de ti.

I didn't see anyone except you.

Pues, yo no vi a nadie.

Well, I didn't see anyone.

— Estallido mortal (1981)

Miré alrededor, pero no vi a nadie.

I looked around, but I didn't see anyone.

No vi a nadie.

I didn't see anyone.

— Hierro-3 (2004)