do somebody/something a power/world of good
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.
do (one) a/the world of good
To have a very positive effect on someone or something. If you're feeling sad, getting out in the sunlight should do you a world of good.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
do someone a power of goodand 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.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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