I didn't know it
No, I didn't know.
I didn’t know that before.
Elle me demanda ce qu'il était advenu de lui, mais je l'ignorais.
She asked me what had become of him, but I didn’t know.
Je l'ignorais aussi à mon premier vol.
I didn't know that either on my first flight.
— Lost in Thailand (2012)
Actually, I didn't know that.
Elle m'a demandé ce qu'il était advenu de lui, mais je l'ignorais.
She asked me what had become of him, but I didn't know.