big deal

US /bɪɡ diːl/
UK /bɪɡ diːl/
"big deal" picture
1.

gran cosa, gran problema

something important or significant

:
Getting this promotion is a really big deal for my career.
Conseguir este ascenso es un gran problema para mi carrera.
It's no big deal if you can't make it to the party.
No es gran cosa si no puedes venir a la fiesta.
2.

¿y qué?, no es para tanto

used ironically to suggest that something is not as important as someone thinks

:
So you got a new phone, big deal. Mine is better.
Así que tienes un teléfono nuevo, ¿y qué? El mío es mejor.
You finished the report an hour early? Big deal, everyone else finished yesterday.
¿Terminaste el informe una hora antes? ¿Y qué? Todos los demás terminaron ayer.