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"Vive" is a form of "vivir", an intransitive verb which is often translated as "to live". "Sé feliz" is a phrase which is often translated as "be happy". Learn more about the difference between "vive" and "sé feliz" below.
vivir(
bee
-
beer
)An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
a. to live through
Nuestro país vivió momentos trágicos en el pasado.Our country has lived through tragedy in the past.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
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.