tough cookie
US /tʌf ˈkʊki/
UK /tʌf ˈkʊki/
1.
persona fuerte, hueso duro de roer
a person who is strong and determined, and not easily intimidated or defeated
:
•
She's a tough cookie, she won't let a little setback stop her.
Ella es una persona fuerte, no dejará que un pequeño contratiempo la detenga.
•
You have to be a tough cookie to succeed in this competitive industry.
Tienes que ser una persona fuerte para tener éxito en esta industria competitiva.