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"A ustedes" is a phrase which is often translated as "you", and "a su" is a phrase which is often translated as "to his". Learn more about the difference between "a ustedes" and "a su" below.
a ustedes(
ah
 
oos
-
teh
-
dehs
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. you
Les contaré a ustedes lo que ocurrió, pero, por favor, no se lo cuenten a nadie más.I'll tell you what happened, but please don't tell anyone else.
b. to you
Esta canción se la dedico a ustedes, mi querido público.I dedicate this song to you, my dear audience.
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a su(
ah
 
soo
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. to his (masculine)
Diego solía escribir a su mamá todos los días desde el frente de guerra.Diego would write to his mom every day from the warfront.
b. to her (feminine)
La mujer había mentido a su marido para que no se disgustara.The woman had lied to her husband so he wouldn't get upset.
c. to its
El oso rugió y regresó a su guarida.The bear roared and returned to its den.
a. to their
La encuesta muestra que los votantes siguen siendo fieles a su candidato.The poll shows that voters remain loyal to their candidate.
3.
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
(formal)
(possessive; second person singular)
a. to your
Por favor, caballero, vuelva a su asiento.Please return to your seat, sir.
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