1. may/might have done 可能做完了(某事) 
  2. mean doing 意味著…… 
  3. mean that 意味著……(接從句) 
  4. mean to do 打算…… 
  5. meet one's needs/demands/requirements 滿足某人的需求 
  6. meet the demands/needs/requirements of sb. 滿足某人的需求 
  7. meet the standard of 滿足……的要求 
  8. meet with ①碰見、偶然遇見 ②符合、迎合、契合
  9. mention sth. to sb. 向某人提起…… 
  10. mention to sb. sth. 向某人提起…… 
  11. middle ages 中世紀 
  12. mix A with B 用B與A混合 
  13. mix sb. up sth. 把某人捲入某事中 
  14. more than one 不只一個(接可數名詞單數,謂語動詞用單數) 
  15. move around 繞著……來回轉 
  16. much interesting 更有趣 
  17. much less expensive 更便宜 
  18. much too 太(接形容詞) 
  19. must have done 一定做完了(某事) 
  20. must/might be doing 一定在……(對正在發生的情況推