found out, learned, knew
Nossos colegas andaram pela cidade e não souberam de mortos.
Our colleagues walked around the city and didn’t hear of anyone who had died.
— Capitães de Abril (2000)
Como eles ficaram quando souberam.
How did they react when they found out?
— M, o Vampiro de Dusseldorf (1931)
Quantas pessoas souberam o que eu estava fazendo?
How many people knew what I was doing?
— Vítima do Passado (1996)