son muy bonitos

are very pretty

→ ser
phrase Rare #38,872
are very pretty Used to describe people, animals, or things that look attractive or nice. The phrase can agree in gender and number, so bonitos may become bonitas depending on what is being described.
SP: Sí, son muy bonitos.
EN: Yes, they are very pretty.

Los caracteres chinos son muy bonitos.

Chinese characters are very beautiful.

Esos ojos son muy bonitos.

Those eyes are very beautiful.

Los caballos son muy bonitos, pero cuando les sale baba me dan mucho asco.

Horses are very beautiful, but when they drool they disgust me.

, son muy bonitos.

Yes, they are very pretty.

— El laberinto del fauno (2006)

Son muy bonitos.

They are very pretty.

— Atrápame si puedes (2002)

Jun, tus dibujos son muy bonitos.

Jun, your drawings are very beautiful.

— Ip Man (2008)