son bastante

are quite

→ ser
phrase Uncommon #24,122
are quite Used before an adjective; son means “are,” and bastante means “quite” or “fairly.”
SP: Los restaurantes de aquí son bastante caros.
EN: The restaurants here are quite expensive.

No son bastante listos para entender estas cosas.

They aren't smart enough to understand these things.

Son bastante listos.

They’re pretty smart.

Tus ideas son bastante anticuadas.

Your ideas are quite outdated.

No son bastante viejos.

They're not old enough.

— 8½ (1963)

Los osos son bastante peligrosos.

Bears are quite dangerous.

Son bastante buenos.

They're pretty good.

— Titanic (1997)

Bueno, conmigo son bastante francos.

Well, they're pretty frank with me.

— El día del fin del mundo: Migración (2026)

Estos artículos son bastante difíciles de conseguir.

These items are quite difficult to obtain.

Tom y Mary son bastante grandes para viajar solo.

Tom and Mary are too old to travel alone.

Los diamantes son bastante duros.

Diamonds are quite hard.

Ustedes dos son bastante diferentes, no, Roberto?

You two are pretty different, aren’t you, Roberto?

— La historia oficial (1985)

Los muebles en esta oficina son bastante modernos.

The furniture in this office is quite modern.

Sus ideas son bastante originales.

His ideas are quite original.

Son bastante inteligentes.

They are quite intelligent.

Los edificios de esta zona son bastante altos y no dejan pasar la luz del sol.

The buildings in this area are quite tall and do not let sunlight through.

Tus hijos son bastante guapos.

Your children are quite handsome.