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Keep an eye on

Keep an eye on

Meaning

Observe carefully to make sure something bad isn’t done.

Examples

He’s got convictions for theft you know. Keep an eye on him when he’s near the till.

Where did it originate?

Britain, 16th century.

Where is it used?

Worldwide.

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About the Author

Gary Martin is a writer and researcher on the origins of phrases and the creator of the Phrase Finder website. Over the past 26 years more than 700 million of his pages have been downloaded by readers. He is one of the most popular and trusted sources of information on phrases and idioms.

Gary Martin

Writer and researcher on the origins of phrases and the creator of the Phrase Finder website. Over the past 26 years more than 700 million of his pages have been downloaded by readers. He is one of the most popular and trusted sources of information on phrases and idioms.
Keep an eye on

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