non osate

don't you dare

→ non
phrase Rare #41,988
don't you dare Used as a strong warning or prohibition. It addresses one or more people using the formal or plural form voi; literally, it means “you do not dare.”
IT: Non osate toccare quel quadro!
EN: Don't you dare touch that painting!

Non osate parlare con la mia ragazza.

Don't you dare talk to my girlfriend.

Voi non osate?

You don't dare?

— Addio mia concubina (1993)

Non osate!

Don't you dare!

— मुन्ना भाई एम बी बी एस (2003)

E da quando in qua voi non osate?

And since when do you not dare?

— Addio mia concubina (1993)