vous délirez

you're talking nonsense

→ vous
phrase Rare #45,599
you're talking nonsense Can be a literal accusation that someone is delirious, but it is often used figuratively to express disbelief or say someone is being unreasonable. “Vous” can address one person formally or multiple people.
FR: Vous délirez si vous pensez que je vais accepter.
EN: You're talking nonsense if you think I'm going to agree.

Vous délirez vraiment, ma foi.

You really are raving, I must say.

— Star Trek : Sans limites (2016)

Mais vous délirez !

But you're out of your mind!

— The Count of Monte Cristo (2024)

Vous délirez.

You're delirious.

— Femmes au bord de la crise de nerfs (1988)

Vous délirez ?

Are you out of your mind?

— Alien³ (1992)

Mais enfin Michel, vous délirez ?

Come on, Michel, are you out of your mind?

— Gramps Is in the Resistance (1983)