fasting

• Do not make the engine run fast when not in gear .
  不要让发动机空转。
• The enemy soldiers ran off as fast as they could .
  敌兵没命地逃跑。
• A do-it-yourself can catch on fast .
  一个自己动手的人很快就可掌握。
• Things are happening so fast around here .
  这里的事情发展得这样快。
• The men were evenly matched, equally fast .
  两个人棋逢对手，同样敏捷。
• They move fast and in complete disorder .
  它们快速运动，而且毫无秩序。
• We were cautioned not to drive too fast .
  人家提醒我们车不要开得太快。
• You can not lay down hard and fast rules .
  规则不能定得太严太死。
• He ran fast that he was five minutes early .
  他跑得快，因而早到五分钟。
• No hard and fast line can be drawn between the two .
  二者不能截然分开。