ti stai comportando

you are behaving

→ ti
phrase Rare #37,847
you are behaving Used to describe how someone is acting. The verb is reflexive, so “ti” refers to the person being addressed.
IT: Ti stai comportando bene oggi.
EN: You’re behaving well today.

Ti stai comportando in modo strano.

You're acting strange.

Ti stai comportando senza tante cerimonie.

You're being unceremonious.

— Ирония судьбы, или С легким паром! (1976)

Perché ti stai comportando in maniera così infantile?

Why are you acting so childish?

Ti stai comportando da sciocca.

You're acting like a fool.

— Zindagi Na Milegi Dobara (2011)

Ti stai comportando male con una donna.

You’re treating a woman badly.

— Dal cuore (1998)

Perché ti stai comportando in maniera così stupida?

Why are you acting so stupid?