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3. keep finger on the pulse of

keep finger on the pulse of

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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