to watch her, to keep an eye on her
Hasta ese día, debes estar atento y vigilarla.
Until that day, you must be attentive and keep an eye on her.
— Ne Zha (2019)
Él aceptó a regañadientes, pero dijo que se quedaría para vigilarla.
He reluctantly agreed, but said he would stay to keep an eye on her.
— La Empleada (2025)
Ve a vigilarla y terminemos con esto.
Go keep an eye on her and let's get this over with.
— El botín (2026)
Es mejor que te ocupes de ella porque yo no voy a vigilarla nunca más.
You'd better look after her, because I'm not going to keep an eye on her anymore.
— La canción del mar (2014)
No te interesa vigilarla, ¿no?
You're not interested in keeping an eye on her, are you?
— La decisión de partir (2022)