I couldn't understand
No pude entender nada de lo que dijo Tom.
I couldn't understand anything Tom said.
Como soy extranjero, no pude entender el chiste.
Since I'm a foreigner, I couldn't understand the joke.
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 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.
I couldn't understand anything he said.
No pude entender lo que él decía.
I couldn't understand what he was saying.