doesn't know
La gente que vive en la ciudad no conoce los placeres de la vida en el campo.
People who live in the city don't know the pleasures of life in the country.
Tom no conoce la diferencia entre lo bueno y lo malo.
Tom doesn't know the difference between right and wrong.
Se nota que no conoce el verdadero amor.
It's clear she doesn't know what true love is.
— Amélie (2001)
Quien no conoce las lenguas extranjeras desconoce su propia lengua.
He who does not know foreign languages does not know his own language.
¿Quién no conoce este problema?
Who doesn’t know this problem?
Tom no conoce ninguno de los detalles aún.
Tom doesn't know any of the details yet.