don't know what you're talking about

I love you, but you don't know what you're talking about.

Je t’aime, mais tu ne sais pas de quoi tu parles.

— Moonrise Kingdom (2012)

I don't know what you're talking about but I'll take it as a compliment.

Je ne sais pas de quoi tu parles, mais je vais le prendre comme un compliment.

— The Royal Tenenbaums (2001)

You don't know what you're talking about!

Tu ne sais pas de quoi tu parles !

— Castle in the Sky (1986)

Mister, you don't know what you're talking about.

Monsieur, vous ne savez pas de quoi vous parlez.

— A Taxi Driver (2017)

I don't know what you're talking about, man.

Je ne vois pas de quoi tu parles, mec.

— Anaconda (2025)

You don't know what you're talking about.

Tu ne sais pas de quoi tu parles.

— Goalie (2019)

I really don't know what you're talking about.

Je ne sais vraiment pas de quoi tu parles.

Why blush if I don't know what you're talking about.

Pourquoi rougir si je ne sais pas de quoi tu parles ?

— Little Vera (1988)

I'm sure I don't know what you're talking about.

Je suis certain de ne pas savoir de quoi vous parlez.

— TÁR (2022)

I don't know what you're talking about.

Je ne vois pas de quoi tu parles.

— Catch Me If You Can (2002)