didn't know, were unaware of, were ignoring
Vous ignoriez que votre comportement honteux serait mis à jour !
You didn't know your shameful behavior would be updated!
— Our Times (2015)
Vous ignoriez qu'il était vivant ?
You didn't know he was alive?
— Seul sur Mars (2015)
De toute évidence, vous l'ignoriez.
Obviously, you were unaware of it.
— Assurance sur la mort (1944)
Je suis surprise que vous ignoriez cela.
I’m surprised that you don’t know that.
Vous l'ignoriez ?
You didn't know that?
— Comrades, Almost a Love Story (1996)