This month I feel that I have learned so much, that I would be doing a disservice to you my readers by not pointing you in the direction of some of the things I have learned.
Warburton's manner of dealing with opponents was both insolent and rancorous, but it did him no disservice.
To ignore this is doing a disservice both to the student and to the history of the dance form itself.
When questions: Most professionals agree that "when" questions do a disservice to the querent.
The mother, in my judgment, is doing her children a grave disservice in seeking to alienate them from their father.