imperfectly [ɪm'pɜ:fɪktlɪ]

例句:

• This effect was imperfectly understood by designers at that time.
  当时的设计者们没有完全理解这种效果。
  
• Suddenly he began writing in sheer panic , only imperfectly aware of what he was setting down.
  突然,他慌里慌张写起字来, 只是朦朦胧胧意识到自己写的是什么.
  
• All language changes over a period of time, for reasons which are imperfectly understood.
  所有语言经过一段时间就要变化, 其变化的原因是无法完全搞清楚的.
  
• In most cases, though, the underlying conditions are either imperfectly known or not known at all.
  来自NEWYORKER