no pude entender

No pude entender lo que él estaba diciendo.

I couldn't understand what he was saying.

No pude entender el fondo de su discurso.

I couldn't grasp the underlying meaning of his speech.

No pude entender nada de lo que dijo Tom.

I couldn't understand anything Tom said.

No pude entender lo que querías.

I couldn't understand what you wanted.

— PK (2014)

No pude entender ni siquiera el punto esencial de lo que dijo.

I couldn’t understand even the main point of what he said.

No pude entender lo que él decía.

I couldn't understand what he was saying.

Como soy extranjero, no pude entender el chiste.

Since I'm a foreigner, I couldn't understand the joke.