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"Como se llama" is a form of "como se llama", a phrase which is often translated as "since his name is". "Su casa" is a phrase which is often translated as "his house". Learn more about the difference between "su casa" and "como se llama" below.
su casa(
soo
kah
-
sah
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. his house (masculine)
A word or phrase that is masculine (e.g., el libro).
¿Es esa de la esquina su casa?Is that his house on the corner?
b. her house (feminine)
A word or phrase that is feminine (e.g., la manzana).
Marisa se acaba de mudar, así que no he estado en su casa todavía.Marisa just moved so I haven't been to her house yet.
2. (formal) (your dwelling; second person singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
a. his home (masculine)
A word or phrase that is masculine (e.g., el libro).
Efraín se mudó de su casa en Cali a una habitación de hotel en Bogotá.Efrain moved from his home in Cali to a hotel room in Bogota.
b. her home (feminine)
A word or phrase that is feminine (e.g., la manzana).
Mirtha es una excelente anfitriona. Todo el mundo se siente bien en su casa.Mirtha is an excellent hostess. Everybody feels good at her home.
4. (formal) (your household or the place where you belong; second person singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
a. your home
Esta ciudad es su casa. Yo creo que usted no podría vivir en ningún otro lugar.This city is your home. I don't think you could live anywhere else.
como se llama(
koh
-
moh
seh
yah
-
mah
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. since his name is
No, Andrés no es mi hermano. - Ah, como se llama igual que usted, pensé que sí.No, Andres isn't my brother. - Oh, since his name is the same as yours, I thought he was.
b. since her name is
Como se llama Carmen y yo también, a veces no sé si me llaman a mí o a ella.Since her name is Carmen and mine too, sometimes I don't know whether they're calling me or her.
a. since it's called
Como allí se llama "policía acostado", la primera vez que lo escuché no entendí que hablaban de un badén.Since it's called a "sleeping policeman" over there, the first time I heard it I didn't realize they were talking about a speed bump.
3. (formal) (second person singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
a. since your name is
Como se llama Arantxa Larrazabal, di por sentado que usted sería vasca.Since your name is Arantxa Larrazabal, I assumed you were Basque.