on fire
Tom viu o carro pegando fogo.
Tom saw the car catching fire.
Ai que eu tô morrendo de frio, ai que eu tô pegando fogo!
Oh, I'm freezing! Oh, I'm burning up!
— O Auto da Compadecida (2000)
Descobri que sua casa estava pegando fogo.
I found out that his house was on fire.
Minha casa estava pegando fogo.
My house was on fire.