he doesn't know
Tom dice que él no sabe mucho sobre Boston.
Tom says that he doesn't know much about Boston.
Él no sabe mucho sobre Japón.
He doesn’t know much about Japan.
Parece que él no sabe acerca de mi conflicto con mi padre.
It seems he doesn't know about my conflict with my father.
He doesn't know any English at all.
He doesn't know why he hates her.
Pero entonces usted preguntará sólo sobre cosas que él no sabe.
But then you will only ask about things that he doesn't know.
— मुन्ना भाई एम बी बी एस (2003)
Hacerle creer que sé algo que él no sabe.
To make him believe that I know something he doesn't.
— Campo de sueños (1989)
Tom dijo que él no sabe dónde vive Mary.
Tom said that he doesn't know where Mary lives.