operating, working (functioning), operating on (doing surgery on)
Estaba operando con este instinto animal que simplemente se apoderó de mí.
I was operating on this animal instinct that simply took over me.
— The Smashing Machine (2025)
Eres tú operando el lanzallamas ¿no?
You're operating the flamethrower, aren't you?
— Érase una vez en… Hollywood (2019)
Desde el invierno pasado ha estado operando en la Comunidad Europea.
It has been operating in the European Community since last winter.
— Ghost in the Shell (1995)