do (one) a power of good

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do (one) a power of good

To be very beneficial to one. If you're feeling sad, getting out in the sunlight should do you a power of good.
See also: good, of, power
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

do someone a power of good

 and do someone a heap of good
Rur. to be very good for someone. You should take a vacation. It'd do you a power of good. Just hearing your voice does me a heap of good.
See also: good, of, power
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

do someone or something a power of good

be very beneficial to someone or something. informal
See also: good, of, power, someone, something
Farlex Partner Idioms Dictionary © Farlex 2017

do somebody/something a ˈpower/ˈworld of good

(old-fashioned) do somebody/something a lot of good; benefit somebody/something: She’s under a lot of stress at work, and a few days at the coast would do her a power of good.
Farlex Partner Idioms Dictionary © Farlex 2017
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