put up a fight
US /pʊt ʌp ə faɪt/
UK /pʊt ʌp ə faɪt/

1.
oponer resistencia, luchar, defenderse
to resist or defend oneself against an attack or challenge
:
•
The small army decided to put up a fight against the invading forces.
El pequeño ejército decidió oponer resistencia a las fuerzas invasoras.
•
Even though they were outnumbered, they still put up a good fight.
Aunque estaban en desventaja numérica, aún así dieron una buena pelea.
2.
luchar, esforzarse
to make a strong effort to achieve something, especially when facing difficulties
:
•
She had to put up a fight to get her ideas approved by the committee.
Tuvo que luchar para que sus ideas fueran aprobadas por el comité.
•
It's going to be tough, but we're ready to put up a fight for what we believe in.
Será difícil, pero estamos listos para luchar por lo que creemos.