usted diviértase

have fun

→ divertir
diviért to entertain, to amuse + a formal 2nd-person singular imperative + se Reflexive
verb · second singular · imperative Rare #48,189
have fun Formal or polite singular command; also used as a reflexive form meaning “enjoy yourself.”
SP: ¡Diviértase en la fiesta!
EN: Have fun at the party!
Conjugation of divertir

Simplemente descanse y diviértase.

Just relax and have fun.

— El brazo de brillantes (1969)

Diviértase jefe, yo esperaré aquí.

Have a good time, Boss; I'll wait here.

— La sirena (2016)

Claro, diviértase.

Sure, have fun.

— Los pecadores (2025)

Diviértase en la fiesta, John.

Have fun at the party, John.