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"Les" is a pronoun which is often translated as "them", and "os" is a pronoun which is often translated as "you". Learn more about the difference between "les" and "os" below.
les(
lehs
)A pronoun is a word that stands in for a noun (e.g., she).
a. them
Vi a unos niños haciendo fuego en un solar. - ¿Puedes describirles?I saw some boys light a fire in a vacant lot. - Can you describe them?
3. (second person plural; indirect object) (Latin America)
Regionalism used in Latin America: all the countries in South America, Central America, and the Caribbean. Does not include Spain.
4. (formal) (second person plural; direct object) (Spain)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
Regionalism used in Spain
a. you
Alicia irá con ustedes para familiarizarles con nuestras instalaciones.Alicia will accompany you to familiarize you with our facilities.
os(
ohs
)A pronoun is a word that stands in for a noun (e.g., she).
a. you
Os quiero mucho, chicos. Voy a echaros mucho de menos.I really love you, guys. I'll miss you a lot.
a. you
¿Quién os dio entradas de primera fila para el concierto?Who gave you front-row tickets to the concert?
a. yourselves
Os vais a lastimar si seguís jugando con esa rama.You're going to hurt yourselves if you keep playing with that stick.