improvising

例句:

• I asked her what the piece was and she said, "Oh, I'm just improvising"
  我问她那一段是什么音乐，她说：“噢，我只是即兴弹的。”
  
• I knew he was improvising, an old habit of his.
  我知道他是在即兴发挥, 这是他的老习惯.
  
• A few lecturers have been improvising to catch up.
  部分讲师被临时抽调以救急.
  
• He was soon improvising an attack on Vice-President Cheney.
  来自NEWYORKER
• Stan stood improvising for me alone his plangent, melancholy music.
  来自P. Farmer
• Often, it was clear that Bernanke and Paulson were improvising.
  来自NEWYORKER