ti stai comportando

you are behaving

→ ti
phrase Rare #35,746
you are behaving Used to describe someone's current behavior. It comes from the reflexive verb comportarsi, literally meaning “to conduct yourself”; the form changes with the person being addressed.
IT: Ti stai comportando come un bambino.
EN: You are behaving like a child.

Ti stai comportando in modo strano.

You're acting strange.

Perché ti stai comportando in maniera così infantile?

Why are you acting so childish?

Ti stai comportando senza tante cerimonie.

You're being unceremonious.

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

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?