unforeseen [ˌʌnfɔ:rˈsi:n]

例句:

• Do you feel anxious when unforeseen incidents intrude on your day?
  当意外事件干扰了你的生活时，你会感到焦虑吗？
  
• Unfortunately, due to unforeseen circumstances, this year's show has been cancelled.
  遗憾的是，由于一些意外情况，今年的演出被取消了。
  
• Ring regularly to check that no unforeseen problems have arisen.
  定期打个电话，确认一下有没有意外情况。
  
• They are always anxious, always fearing the unforeseen.
  来自BBC
• Sudden unforeseen events that can turn your world upside down.
  来自Elle
• In Zambia the new programme is already providing unforeseen benefits.
  来自THETIMES