I didn't understand
I didn’t understand the message.
Eu não entendi nada do que ele disse.
I didn't understand anything he said.
I didn't quite understand.
Eu não entendi uma só palavra.
I didn't understand a single word.
Teve uma bronca com o caminhão que eu não entendi direito.
There was a problem with the truck that I didn't quite understand.
— Bacurau (2019)
Eu não entendi como de repente eu me tornei tão forte.
I don’t understand how I suddenly became so strong.
— Dangal (2016)
Eu não entendi o que ele disse.
I didn't understand what he said.
I didn't understand the joke.