iddle是Puzzle的一种,比较幽默滑稽的那种.puzzle的概念大,riddle的概念小.所以词典里解释是：A riddle is a puzzle or joke in which you ask a question that seems to be nonsense but which has a clever or amusing answer A puzzle is a question,game,or toy which you have to think about carefully in order to answer it correctly or put it together properly.
