do somebody a good turn

do (someone) a good turn

To do something that helps, aids, or benefits another person. If you do someone a good turn, they are much more likely to help you out in the future. John did me a good turn last year, so I'd like to return the favor somehow.
See also: good, turn
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

do somebody a good ˈturn

be helpful to somebody; do somebody a favour: I did you a good turn, now you do me one.
See also: good, somebody, turn
Farlex Partner Idioms Dictionary © Farlex 2017
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