tu n'en sais rien

you have no idea

→ tu

phrase Rare #36,986

you have no idea An informal expression meaning that someone does not know anything about the subject. The form can vary with the subject and tense, such as « je n'en sais rien » (I have no idea) or « tu n'en savais rien » (you had no idea).

FR: Tu n'en sais rien, alors ne prétends pas connaître la vérité.

EN: You have no idea, so don't pretend to know the truth.

Tu n'en sais rien !

You have no idea!

— Avengers : Infinity War (2018)

Tu n'en sais rien ?

You don't know anything about it?

— Amarcord (1973)

Non, tu n'en sais rien.

No, you don't know anything about it.

Mais tu n'en sais rien.

But you don't know anything about it.

Tu n'en sais rien.

You don't know anything about it.

— The Witch (2016)