keep (one's) finger on the pulse

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keep (one's) finger on the pulse

To be very aware of current trends and happenings in a particular place. Sara keeps her finger on the pulse of nightlife in the city, so I would ask her where you should have your birthday party.
See also: finger, keep, on, pulse

have/keep your finger on the ˈpulse (of something)

know all that is happening; be aware of new developments in a particular situation: Successful politicians need to keep their finger on the pulse of the voters.
A doctor takes your pulse by putting his fingers on your wrist and counting the number of times the blood beats in a minute.
See also: finger, have, keep, on, pulse
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