名词 puzzle:

1. a particularly baffling problem that is said to have a correct solution

2. a game that tests your ingenuity

动词 puzzle:

1. be a mystery or bewildering to

2. be uncertain about; think about without fully understanding or being able to decide

puzzlen.难题；谜；迷惑；拼图游戏vt.使为难；使困惑vi.苦思；迷惑puzzleheadedadj.思想混乱的puzzle-dom困境puzzle aboutadj.为 ... 大伤脑筋(对 ... 深思苦想)puzzled frown迷惑的皱眉puzzle theory模糊推理puzzled state困惑状态Puzzle Bobble泡泡龙Puzzled block拼凑块puzzle palace迷宫puzzle switch交分道岔

1. I like solving difficult puzzles.
   我喜欢解决难题。
2. The vastness of the oceans and the complexity of their problems still leave many puzzles unsolved.
   浩瀚的海洋及其问题的复杂性仍然留下许多未解决的难题。
3. The pricing of initial public offering has been one of the new issue puzzles in finance.
   新股定价问题一直是国际金融界公认的最具迷惑性的难题之一。