non so proprio

I really don't know

→ non
phrase Uncommon #15,754
I really don't know Proprio emphasizes the speaker's lack of knowledge.
IT: Non so proprio dove ho messo il telefono.
EN: I really don't know where I put my phone.

Non so proprio cosa aspettarmi.

I really don't know what to expect.

— The Smashing Machine (2025)

Non so proprio dove ho messo le chiavi.

I don't even know where I put the keys.

Non so proprio cosa dire, Sebastian.

I really don't know what to say, Sebastian.

— TÁR (2022)

Non so proprio nulla di voi.

I really don't know anything about you.

— Le iene (1992)

Scusa, non so proprio con chi altro parlarne.

Sorry, I really don't know who else to talk to about this.

— Love Actually - L'amore davvero (2003)

Adesso vedrò Julie e non so proprio cosa dirle.

I’m about to see Julie, and I really don’t know what to say to her.

— Effetto notte (1973)

Non so proprio dirtelo.

I really can't tell you.

— Mosca non crede alle lacrime (1980)

Non so proprio.

I really don't know.

— Whiplash (2014)

Cheryl, non so proprio.

Cheryl, I really don't know.

— Prova a prendermi (2002)

Non so proprio cosa ci sia venuto a fare qui.

I really don't know what I came to do here.

— Les choristes - I ragazzi del coro (2004)

Non so proprio niente.

I don't know anything at all.

— La dolce vita (1960)

Non so proprio dire che cosa sia successo.

I really can't say what happened.

— F1 - Il film (2025)

Non so proprio perché.

I really don't know why.

— I peccatori (2025)