What does keep an eye on mean?
keep an eye on
Definition
To watch someone, especially a child, so that they stay safe and out of trouble.
Example sentences
Would you mind keeping an eye on the kids at the playground while I get us a coffee?
Would you mind keeping an eye on the kids at the playground while I get us a coffee?
Grandma keeps an eye on the baby twice a week so I can go to my pottery class.
Grandma keeps an eye on the baby twice a week so I can go to my pottery class.