故

• Then there must have been some meaning in it .
  那么这里头一定有缘故了。
• Minor accidents can shorten the life of a car ..
  小事故会缩短汽车寿命。
• It is its being so old and grey, perhaps .
  也许因为它太老太灰暗的原故吧。
• I was held up on the way and so i was late .
  途中遇事耽搁，故未能按期到达。
• Do not rush , or you may have an accident ..
  不要这么赶，否则你可能会出事故。
• The average power is therefore zero .
  故平均功率为零。
• It is said to be anharmonic motion .
  故称为非谐运动。
• Say , you have an accident : who would look after you ?
  假如你出了事故，谁来照顾你呢？
• It was my doing, then, that he couldn't get out .
  这么说来，他没能逃出来是由于我的原故。
• She has not been out riding since the accident .
  她自从出了事故以后，一直没有骑马外出过。