I knew him
Je savais que je le connaissais Je l'avais lu dans le train.
I knew I knew him. I had read it on the train.
— Harry Potter à l'école des sorciers (2001)
I knew him very well.
J'étais morte de trouille, je le connaissais à peine.
I was scared to death; I barely knew him.
— Y tu mamá también (2001)
I knew him well.
Celui-ci doit être nouveau, je le connaissais pas.
This one must be new, I wasn't familiar with it.
— 28 Ans plus tard : Le Temple des morts (2026)
I didn't know him.
Je le ferais si je le connaissais.
I would do it if I knew him.