Definition
The final, and frequently the least desirable, part of something.
（通常指最糟糕的）末尾、结尾部分
The company only started facing real trouble at the fag end of the project.
公司在项目的尾声才开始遇到真正的麻烦。
They always reduce prices to clear stock at the fag end of the event.
他们总是在活动的尾声降价清仓。
We felt completely exhausted at the fag end of our vacation.
我们在假期的尾声感到筋疲力尽。