no conoce a

doesn't know

→ no
phrase Uncommon #23,160
doesn't know The a is used before a person as the personal a and is not translated into English.
SP: Mi hermana no conoce a tu amigo.
EN: My sister doesn't know your friend.

María no conoce a sus vecinos.

María doesn't know her neighbors.

No conoce a mi hermano.

He/She doesn't know my brother.

Oleg, no conoce a Wagner.

Oleg does not know Wagner.

— Русский ковчег (2002)

Tom no conoce a nadie en nuestro colegio.

Tom doesn't know anyone at our school.

Él no conoce a ninguno de sus dos hermanos.

He doesn't know either of his two brothers.

Mi novio todavía no conoce a mis padres.

My boyfriend still hasn't met my parents.

Órale, ¿oiga y no conoce a nadie que esté en eso de la música?

Wow, hey, do you know anyone who’s in the music business?

— Rudo y Cursi (2008)

No conoce a ningún Nihad de Mayo.

He doesn't know any Nihad from Mayo.

— Incendios (2010)

Tom no conoce a ninguno de los amigos de María.

Tom doesn't know any of Maria's friends.

Tom dijo que no conoce a nadie en Boston.

Tom said he doesn't know anyone in Boston.

¡Él no conoce a los dueños de todos los caballos!

He doesn't know the owners of all the horses!

— El Bueno, El Malo y El Feo (1966)

Carmen no conoce a Saúl, pero él es el amigo de un amigo de Carmen.

Carmen doesn't know Saúl, but he's a friend of a friend of Carmen's.

Usted no conoce a mi hermano.

You don't know my brother.

Tom no conoce a sus vecinos.

Tom doesn't know his neighbors.

Obviamente, no conoce a Nudillos.

Obviously, he doesn't know Knuckles.

— Paddington 2 (2017)

Sami no conoce a la jefa de Layla.

Sami doesn't know Layla's boss.

Tom no conoce a Mary.

Tom doesn't know Mary.