don't know
You don't know her.
Tu ne le connais pas, mais moi si.
You don't know him, but I do.
You don't know them.
No, I don't know them.
Le nouveau soudeur, Je connais pas son nom.
The new welder, I don't know his name.
— The Machinist (2004)
Je ne m'y connais pas trop en ordinateurs.
I don’t know much about computers.
Je ne me connais pas, je ne me souviens de rien.
I don't know myself, I don't remember anything.
— Solaris (1972)
No, I don't know them.
I don't know all of them.