an act intended to help that turns out badly;
"he did them a disservice"
- The minister's comments do teachers a great disservice.
- The spreading of such ideas is of great disservice to the state.
- They do a great disservice to our society.
- In this it has done mankind a great disservice.
- Actually what he said did me quite a disservice.
- She did her son a disservice by doing his homework for him.
- do sb a disservice 危害(某人)
You do a disservice to the..poor by giving them money, because they will get into trouble.出自： P. Goodman