you don't understand
Non, non, vous ne comprenez pas.
No, no, you don't understand.
Vous ne comprenez pas ce qui se produit.
You don't understand what's happening.
No, you don't understand.
C'est ce que vous ne comprenez pas.
That's what you don't understand.
Si vous ne comprenez pas, vous ne savez pas quoi faire ?
If you don't understand, you don't know what to do?
— Salyut-7 (2017)
Maître Guan, si vous ne comprenez pas, je ne peux rien dire de plus.
Master Guan, if you don't understand, I can't say anything more.
— Adieu ma concubine (1993)
You don't understand, do you?
Si vous ne comprenez pas une question, dites-le simplement.
If you don't understand a question, just say so.