keep in sight

keep (someone or something) in sight

1. To position oneself to be able to see someone or something. Keep the thief in sight while I call the police.
2. To remember or remind oneself of something. If you don't keep your goal in sight, you'll give up before you can ever achieve it.
See also: keep, sight
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

keep someone in sight

to make sure that a person is visible at all times. He looks suspicious. Keep him in sight at all times. I cannot keep him in sight day and night.
See also: keep, sight
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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