no pudo entender

couldn't understand

→ no
phrase Rare #34,336
couldn't understand Uses the preterite of poder followed by entender, expressing that someone was unable to understand something at a specific time or in a completed situation.
SP: No pudo entender las instrucciones.
EN: He couldn't understand the instructions.

Tom no pudo entender nada de lo que dijo Mary.

Tom couldn't understand anything Mary said.

Ella no pudo entender ni una sola palabra.

She couldn't understand a single word.

Tom no pudo entender por qué Mary había tomado esa decisión.

Tom couldn't understand why Mary had made that decision.

Tom no pudo entender lo que Mary estaba diciendo.

Tom couldn't understand what Mary was saying.

Tom no pudo entender para nada a Mary.

Tom couldn't understand Mary at all.

Pero no pudo entender su amor maternal.

But she couldn't understand her maternal love.

— Kal Ho Naa Ho (2003)

Tom no pudo entender el chiste de Mary.

Tom couldn't understand Mary's joke.

Tom no pudo entender una sola palabra de lo que dijo Mary.

Tom couldn't understand a single word of what Mary said.