Keep an eye on

Keep an eye on Meaning/Usage: To watch after; to supervise; to take care of Explanation: When you have your eye on something or you are watching something, then you are paying attention to something or someone. "Can you keep an eye on my daughter while I go get the car?" "Don't worry about your luggage.  I'll keep an eye on it." "My mom will keep an eye on our equipment while we go get the truck." A:  "Excuse me sir." B:  "Yes." A:  "I have to go to the bathroom.  Can you keep an eye on my suitcase for a minute?" B:  "No problem." Other Common Sentences "Can you watch my bag for me?" "Can you watch my suitcase while I go to the bathroom."