keep finger on the pulse of

keep (one's) finger on the pulse (of something)

To maintain an awareness of current trends and happenings in a particular place, situation, or environment. Sara always keeps her finger on the pulse of city's nightlife, so I would ask her where you should have your birthday party. You've got to keep your finger on the pulse if you want to remain relevant in this industry.
See also: finger, keep, on, pulse
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

keep one's finger on the pulse of something

Fig. to monitor the current state of something frequently. I have to keep my finger on the pulse of the city if I want to be a good reporter. It is hard to keep your finger on the pulse of Washington, D.C., but a U.S. senator must do it.
See also: finger, keep, of, on, pulse
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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