Definition
Used to describe something that is extremely difficult or serious.
极度困难的事情或问题
This project was the devil of a job; it took us so much time to complete.
这个项目真是项棘手的工作，我们花了大量时间才完成。
The storm caused a devil of a mess, and the cleanup will be very difficult.
这场风暴造成了极大的混乱，清理工作将会非常困难。
Finding the right candidate for this position has been the devil of a task.
找到适合这个职位的候选人真是一项极其困难的任务。