the unexpected

• They jumped at the unexpected noise
  他们因突如其来的声音吓得跳了起来。
• The unexpected guest disordered his plans
  这位不速之客打乱了他的计划。
• The unexpected rainstorm caused the collapse of the roof
  突然来临的暴风雨把屋顶刮塌了。
• Nothing is so certain as the unexpected
  天有不测风云，人有旦夕祸福。
• The unexpected decrease of economic cases in china
  我国经济案件数量近年意外下降的原因考察
• This had the unexpected consequence that everybody resigned
  其意外的结果是大家一起辞职。
• They jumped at the unexpected noise
  他们因突如其来的声音吓得跳了起来
• The unexpected news baffled us
  这意想不到的消息把我们给难住了。
• Plan for the unexpected to happen - because it will
  事先为意外情况制定计划因为意外一定会发生。
• To get everything ready for the unexpected inspection from the superiors
  为了准备迎接上级的突然检查