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"Sonríe" is a form of "sonreír", an intransitive verb which is often translated as "to smile". "Sé feliz" is a phrase which is often translated as "be happy". Learn more about the difference between "sonríe" and "sé feliz" below.
sonreír(
sohn
-
rreh
-
eer
)An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
a. to smile
Mi abuela siempre sonríe cuando nos cuenta historias de su niñez.My grandmother always smiles when she tell us stories about her childhood.
2. (to favor)
a. to smile on
Parece que la vida me sonríe: al fin he encontrado un trabajo donde me valoran de verdad.It seems that life smiles on me: I have finally found a job where I'm really valued.
sonreírse
A pronominal verb always uses a reflexive pronoun. (e.g., Te ves cansado.).
sé feliz(
seh
feh
-
lees
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (informal) (singular)
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. be happy
Hijo, solo tengo este consejo que darte: sé feliz.Son, I only have this piece of advice for you: be happy.