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"Vuestro" is an adjective which is often translated as "your", and "su" is an adjective which is often translated as "his". Learn more about the difference between "vuestro" and "su" below.
vuestro(
bwehs
-
troh
)An adjective is a word that describes a noun (e.g., the big dog).
1. (informal) (masculine or mixed gender) (possessive; second person plural) (Spain)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
A word or phrase used to refer to a group including masculine words or both masculine and feminine words (e.g., bienvenidos).
Regionalism used in Spain
A pronoun is a word that stands in for a noun (e.g., she).
2. (informal) (masculine or mixed gender) (possessive; second person plural) (Spain)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
A word or phrase used to refer to a group including masculine words or both masculine and feminine words (e.g., bienvenidos).
Regionalism used in Spain
a. yours
Yo ya os he dado mi teléfono. Ahora no olvidéis darme los vuestros.I've already given you my phone number. Now don't forget to give me yours.
su(
soo
)An adjective is a word that describes a noun (e.g., the big dog).
a. his (masculine) (singular)
A word or phrase that is masculine (e.g., el libro).
A word or phrase that is singular (e.g., el gato).
¿Hiciste su tarea por él?Did you do his homework for him?
b. her (feminine) (singular)
A word or phrase that is feminine (e.g., la manzana).
A word or phrase that is singular (e.g., el gato).
¿Sabes dónde está el cargador de su teléfono?Do you know where the charger is for her phone?
c. its (singular)
A word or phrase that is singular (e.g., el gato).
Esta es su perrera.This is its doghouse.
2. (formal) (possessive; 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).
