Meaning of the word "keep one's eye on" in English

What does "keep one's eye on" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

keep one's eye on

US /kiːp wʌnz aɪ ɑːn/
UK /kiːp wʌnz aɪ ɒn/
"keep one's eye on" picture

Idiom

to watch someone or something carefully; to monitor or supervise

Example:
Could you keep your eye on my bag while I go to the restroom?
The boss is keeping an eye on the new employee's progress.