do somebody the courtesy of doing something
do (one) the courtesy of (doing something)
To be considerate enough to do a particular thing. Would you at least do me the courtesy of not interrupting me?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
do somebody the courtesy of doing somethingbe polite by doing the thing that is mentioned: Please do me the courtesy of listening to what I’m saying.
Farlex Partner Idioms Dictionary © Farlex 2017