something difficult or awkward to do or deal with;
"it will be the devil to solve"
- The Devil tempted Adam and Eve.
- The guards were sadistic beasts and their leader was the devil incarnate.
- Cold weather plays the devil with my rheumatism.
- There'll be the devil to pay if you scratch my car!
- In this business you have to be tough, and the devil take the hindmost.
- Talk of the devil and he will appear.
- There will be the devil to pay.