que tu ne saches pas

that you don't know

→ que
phrase Rare #34,186
that you don't know In these examples, ne and pas make the phrase negative. After expressions of fear, ne can sometimes be expletive rather than negative.
FR: Je suis surpris que tu ne saches pas la réponse.
EN: I'm surprised that you don't know the answer.

Comment ça se fait que tu ne saches pas ?

How come you don't know?

— Troupe d'Élite (2007)

Parfois, c'est mieux que tu ne saches pas.

Sometimes it's better that you don't know.

Comment est-il possible que tu ne saches pas ?

How is it possible that you don't know?

Mais je crains que tu ne saches pas tout.

But I’m afraid you don’t know everything.

— The Count of Monte Cristo (2024)

Mieux vaut que tu ne saches pas.

It's better if you don't know.

— Le monde perdu : Jurassic Park (1997)

C'est mieux que tu ne saches pas.

It's better that you don't know.