Please imagine you want to alarm someone about a dangerous dog; you can say:
- Keep an eye on that dog.
Or when you as an agent are taking a prisoner from a jail to prison. You want to go to the toilette for a minute and you outsource your duty to your co-worker while you're away. You would probably say something like:
- Keep an eye on the prisoner.
But is it possible for a mother to ask her kids father to take care of their kids while she is going to do something for a short period of the time (e.g. 10 minutes)? I mean:
- Keep an eye on the kids.