keep a close eye on (someone or something)

keep a close eye on (someone or something)

To monitor someone or something closely. Keep a close eye on this pot so that the soup doesn't boil over.
See also: close, eye, keep, on
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

keep a close ˈeye/ˈwatch on somebody/something

watch somebody/something carefully: Over the next few months we will keep a close eye on sales.
Farlex Partner Idioms Dictionary © Farlex 2017
See also:
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