lone wolf
US /loʊn wʊlf/
UK /loʊn wʊlf/

1.
lobo solitario, persona solitaria
a person who prefers to act or work alone without companions or associates
:
•
He's always been a lone wolf, preferring to work on his own projects.
Siempre ha sido un lobo solitario, prefiriendo trabajar en sus propios proyectos.
•
Despite being part of a team, she often acts as a lone wolf.
A pesar de ser parte de un equipo, a menudo actúa como un lobo solitario.