no conocen

they don't know

→ no
phrase Uncommon #24,457
they don't know Used for a plural subject; conocer can mean to know a person, place, or thing, or to be familiar with something.
SP: Mis vecinos no conocen este barrio.
EN: My neighbors don't know this neighborhood.

Ustedes no conocen a mi hermano.

You don't know my brother.

No conocen ninguna piedad.

They know no mercy.

Porque los japoneses no conocen sus caras.

Because the Japanese don't know their faces.

— 암살 (2015)

Muchos europeos no conocen el Japón moderno.

Many Europeans are unfamiliar with modern Japan.

No conocen a sus vecinos.

They don't know their neighbors.

Los niños pequeños no conocen muchas palabras.

Young children don't know many words.

Sí, pero no conocen las reglas.

Yes, but they don't know the rules.

— La Vida es Bella (1997)

Parece que muchas personas no conocen la diferencia entre"flojo"y"perder".

It seems that many people don't know the difference between “loose” and “to lose”.

Pero no conocen el mar.

But they don't know the sea.

— Avatar: El camino del agua (2022)

Sea amable con la gente nueva, no conocen a nadie todavía.

Be kind to new people, they don't know anyone yet.

No conocen bien la organización de secciones.

They are not very familiar with the organization of sections.

— Vivir (1952)

Ahora es bastante frecuente encontrarse con jóvenes que no conocen la Biblia.

It is now quite common to find young people who do not know the Bible.

No conocen nada mejor.

They don't know any better.

— Atlantis: El imperio perdido (2001)

Las aves no conocen fronteras.

Birds know no borders.

No conocen a mi hermano.

They don't know my brother.

Esos oficiales no conocen el camino.

Those officers don't know the way.

— Русский ковчег (2002)