stalking, lying in wait
Te he estado acechando la noche entera, esperando que salieras de tu dormitorio.
I've been stalking you all night, waiting for you to come out of your bedroom.
Los lobos siguieron acechando al rebaño.
The wolves continued to stalk the flock.
Acechando.
Lurking.
— Eternidad (2025)
Estás acechando.
You are stalking.