Spanish phrase
Perdón, no entendí.
Meaning
Sorry I didn't understand.
When to use it
States that the speaker did not understand something. Used to request repetition or clarification in casual polite speech, mildly apologetic tone.
Example dialogue
Perdón, no entendí la última parte, ¿puedes repetirla?
Sorry I didn't understand the last part. Can you repeat it?
Claro, dije que la reunión empieza a las 3.
Sure, I said the meeting starts at 3.