conundrum [kəˈnʌndrəm]

例句:

• Scientists had focused on two explanations to solve this conundrum.
  科学家已锁定两种解释来解开这个难题。
  
• Interaction designers often face the conundrum of whether to make their products user - customizable.
  交互设计者经常面临这样的难题,即是否让他们的产品具有用户定制功能.
  
• What I said was that there was some interest at Conundrum.
  我说的是迷题出版社的人表示有兴趣.
  
• That is the conundrum facing the likes of Ennis.
  来自THETIMES
• He had posed them with his conundrum at lunch.
  来自G. A. Birmingham
• Lord Justice Leveson has opened a very public conundrum.
  来自WSJ