a fly in the ointment的用法和样例：
- That mildew stain is really a fly in the ointment for the painting.
- The only fly in the ointment is the bad weather.
- I enjoyed the picnic very much. The only fly in the ointment was the rude bus-driver who shouted at us.
- We had so much fun at the party last night.It was really a fly in the ointment that you could not be there.
- I like the house, but there's a fly in the ointment: I have to commute so far to work.
a fly in the ointment的相关资料：