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

• A new constant false alarm rate ( CFAR) detector ( CMCAGO-CFAR) based on censored mean and cell averaging is presented in this paper.
  文中基于删除平均（CM）方法和单元平均（CA）方法，提出了一种新的恒虚警检测器（CMCAGO-CFAR）。
• This design can improve the reliability and timeliness of fire alarm system, reduce the false alarm rate and improve the level of intelligent system.
  这一设计可提高火灾报警系统的可靠性与及时性，减少误报率，提高系统的智能化程度。
• The alarm system went wrong and created a false alarm.
  报警系统失灵，引起一场虚惊。
• You think this is another false alarm.
  你以为这又是次错误的安排。
• And if what is happening on my planet is a false alarm?
  如果我们星球上的事只是假警报呢？
• The running results have testified that the system is easily realized with low false alarm rate and higher value.
  运行结果证实，误报率低，易于实现，具有较高的应用价值。
• I already told you it was a false alarm.
  我已经告诉你是误警了。
• 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 new family features five integrated technologies that yield high capture rates and low false alarm rates.
  新的系列有五个综合技术特征，仍然是高捕捉率和低误报率。
• 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。