doesn't know it
Soy uno de sus fantasmas y no lo sabe.
I am one of his ghosts and he doesn't know it.
— El Paciente Inglés (1996)
Tú eres la única que no lo sabe.
You're the only one who doesn't know.
I'm sure you don't know.
You don't know it well.
Tom no lo sabe.
Tom doesn't know.
Ella no lo sabe, lo que va a dar todavía.
She doesn't yet know what she has to offer.
— Елена (2011)
Who doesn't know it?