on ne sait rien

On ne sait rien de son âge, sexe et origine.

We know nothing about his age, sex, or origin.

— Ghost in the Shell (1995)

On ne sait rien sur elle.

Nothing is known about her.

On ne sait rien de lui.

Nothing is known about him.

On ne sait rien.

We know nothing.

— [REC] (2007)

On ne sait rien sur lui.

We know nothing about him.

— À bout de course (1988)

Mais on ne sait rien.

But we know nothing.

— [REC] (2007)

On ne sait rien encore.

We don't know anything yet.

On ne sait rien d'elle.

Nothing is known about her.

On ne sait rien sur cette créature.

We know nothing about this creature.

— Alien, le huitième passager (1979)