fag end
noun(British English, informal)- [countable]
the last part of a cigarette that is left after it has been smoked 烟蒂;香烟头 The floor was littered with fag ends. 地板上到处都是烟头。
- [singular] the fag end of something
the last part of something, especially when it is less important or interesting (尤指不重要或索然无味的)结尾,末尾
Word Originearly 17th cent. (in the sense ‘remnant’): from 15th-cent. fag ‘a flap’, of unknown origin. The current sense dates from the early 20th cent.