to warm up, get warm, to get worked up, get angry
La minestra calda è perfetta per scaldarsi nelle sere d'inverno.
Hot soup is perfect for warming up on winter evenings.
Il forno non vuole saperne di scaldarsi.
The oven doesn't want to heat up.
— Kiki - Consegne a domicilio (1989)
He was starting to get worked up.
Non c'è motivo di scaldarsi, in questa scuola si usa così.
There’s no reason to get worked up; that’s just how things are done at this school.
— Suspiria (1977)