tu profesor

your teacher

→ tu
phrase Uncommon #21,091
your teacher Here, “tu” is the possessive adjective meaning “your,” without an accent. Do not confuse it with “tú,” meaning “you.” “Profesor” can refer to a teacher or professor depending on context.
SP: ¿Ya le preguntaste a tu profesor?
EN: Have you already asked your teacher?

Tienes que pedirle permiso a tu profesor.

You have to ask your teacher for permission.

Será tu profesor de defensa contra las Artes Oscuras en Hogwarts.

He will be your Defense Against the Dark Arts teacher at Hogwarts.

— Harry Potter y la piedra filosofal (2001)

Por favor, háblame de tu profesor.

Please tell me about your teacher.

No soy tu profesor.

I’m not your teacher.

Tú también puedes pedir consejo a tu profesor.

You can also ask your teacher for advice.

Pero yo soy tu profesor.

But I am your teacher.

— Una mujer fantástica (2017)

Si no puedes resolver este problema, pregúntale a tu profesor.

If you can't solve this problem, ask your teacher.

No lo sé-¿Lo que dice tu profesor es verdad?

I don't know—is what your teacher says true?

— A Silent Voice (2016)

Sólo tu profesor.

Only your teacher.

— Black (2005)

Tom es tu profesor de guitarra, ¿no?

Tom is your guitar teacher, right?

Debes pedirle el permiso a tu profesor.

You must ask your teacher for permission.

Tienes que prestar atención a lo que dice tu profesor.

You need to pay attention to what your teacher says.

Ya no soy tu profesor.

I am no longer your teacher.

Mira, mírame, tu profesor.

Look at me—I'm your teacher.

— Black (2005)