you're joking

You're joking!

Tu plaisantes !

— The Wind That Shakes the Barley (2006)

You're joking?

Tu plaisantes ?

— Control (2007)

Tell me you're joking!

Dis-moi que tu plaisantes !

You're joking, of course.

Tu plaisantes, bien sûr.

You're joking.

Tu plaisantes.

— Whiplash (2014)

You're joking, Blondie.

Tu plaisantes, Blondie.

— The Good, the Bad and the Ugly (1966)

You're joking, right?

Tu plaisantes, j’espère ?

— The Skin I Live In (2011)

I don't know if you're joking, but it doesn't matter.

Je ne sais pas si tu plaisantes, mais peu importe.

— La Dolce Vita (1960)

Surely you're joking, sir.

Vous plaisantez, monsieur, j’espère.

— Crazy Rich Asians (2018)

I hope you're joking.

J’espère que tu plaisantes.