I don't know who
I don't know who they are.
Non so chi ha commesso il furto, ma è la prova che Mondain è innocente.
I don't know who committed the theft, but it's proof that Mondain is innocent.
— Les choristes - I ragazzi del coro (2004)
I don't know who to consult.
Non so chi siano ma posso parlargli.
I don't know who they are, but I can speak to them.
— Dal cuore (1998)
I don't know who's who.
Non so chi siate né cosa vogliate.
I don't know who you are or what you want.
— Un semplice incidente (2025)