To actively keep an account of something so that one is well informed about it, often by routinely monitoring or assessing it. You have so many students. I really wonder how you keep track of them all. Please keep track of these shipments so that we know if everything arrived. Movies these days have so many sequels that it's hard to keep track.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
(of someone or something) Go to keep tab(s) (on someone or something).
lose track (of someone or something)
to lose contact with someone; to forget where something is. I lost track of all my friends from high school. Tom has lost track of his glasses again.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
Remain informed, follow the course of, as in Are you keeping track of the time? This usage alludes to following a literal track, as of footsteps. The antonym, lose track, alludes to straying or wandering from a track, as in I've lost track-what day are you leaving? [Late 1800s]
see under keep track.
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
keep/lose ˈtrack (of somebody/something)stay/not stay informed about somebody/something; remember/forget about the number of something, the time, etc: It’s hard to keep track of how much money we spend every month. ♢ I’ve lost track of the number of times I’ve lost my keys.
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