以

• Doubts could be swept away only by deeds .
  这些疑点只能以行动来澄清。
• The estate was fringed with stately elms .
  那片地以挺拔的榆树为边界。
• He is laying aside money for his old age .
  他正在积蓄金钱以备晚年。
• She looked at it critically for a moment .
  她以评论的眼光看了一会。
• He cried out in the voice of a tipsy man .
  他以一个流浪人的声音喊道。
• This letter is written in a formal style .
  这封信以正式的文体写成。
• Our room this year is furnished in red .
  今年我们的房间以红色为基调。
• The runners set off at a blistering pace .
  赛跑者以极高的速度起跑。
• We ventilate a room by opening windows .
  我们开窗以使室内空气流通。
• The motion was lost by a majority of two .
  动议以两票之差被否决了。