to the core
US /tə ðə kɔr/
UK /tə ðə kɔr/

1.
até o âmago, até a medula
completely; thoroughly; to the greatest extent
:
•
He was rotten to the core.
Ele estava podre até o âmago.
•
She was a New Yorker to the core.
Ela era nova-iorquina até a medula.
: