keep on top

keep on top (of someone or something)

to stay well-informed about the status of someone or something. I need to keep on top of the president, because I am doing a report on him. News is easy to get these days, and I do what I can to keep on top.
See also: keep, on, top
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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