false alarm

英 [ˌfɔːls əˈlɑːm]

美 [ˌfɔːls əˈlɑːrm]

n.  假警报; 虚惊

计算机

牛津词典

noun

• 假警报；虚惊
  a warning about a danger that does not happen; a belief that sth bad is going to happen, when it is not
  1. The fire service was called out but it was a false alarm.
     消防人员接到报警后出动，但这是假报火警。

柯林斯词典

• N-COUNT 假警报;虚惊
  When you think something dangerous is about to happen, but then discover that you were mistaken, you can say that it was afalse alarm.
  1. ..a bomb threat that turned out to be a false alarm.
     最终证实是虚惊一场的爆炸恐吓

英英释义

noun

• a warning that is given about something that fails to occur

双语例句

• Sorry for the false alarm but it was for a good cause.
  我对假警报表示抱歉，不过这是为了做好事。
• The rumours of a petrol shortage turned out to be a false alarm.
  汽油短缺的谣传原来是一场虚惊。
• The sky went very dark and we thought it was going to rain but it was a false alarm.
  天空变得黑沉沉的，我们以为要下雨了，但结果只是虚惊一场。
• In order to guarantee the false alarm probability of CFAR detector, we determine practical threshold coefficients by using simulations.
  本文中我们通过仿真的方法确定CFAR中的实际门限系数，研究有限的参考单元数对虚警性能的影响。
• For reducing the false alarm, we adopt hierarchical alert classifier which combined misuse intrusion detection and anomaly intrusion detection.
  并且采取结合了不当行为与异常行为侦测的阶层式警报分类器来降低假警报。
• This has been a false alarm.
  一切都是虚惊一场。
• All the air raid warnings, without exception, had been false alarm.
  所有空袭预告毫无例外都是虚假警报。
• She thought she was pregnant, but it turned out to be a false alarm.
  她以为她怀孕了，但结果是虚惊一场。
• a bomb threat that turned out to be a false alarm.
  最终证实是虚惊一场的爆炸恐吓
• He was the victim of a false alarm.
  他受了一场虚惊。