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 multi-threshold frequency domain constant false alarm rate detection algorithm for radar fuse was presented.
  提出了一种新的雷达引信多门限频域恒虚警率检测算法。
• The multielement interrelated detection technique is of maximum detection sensitivity and minimum false alarm rate by the correlation function.
  多元相关探测技术在具有很好的探测灵敏度的同时，兼顾保证了极低的虚警率。
• 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。
• You think this is another false alarm.
  你以为这又是次错误的安排。
• 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。
• 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？
• Then the paper makes a discussion on how to decrease the probability of false alarm and probability of false rejection.
  论文从水印检测过程中可能发生的两类错误入手，讨论了降低检测虚警概率和漏报概率的一般方法。
• 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。