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

• The alarm system went wrong and created a false alarm.
  报警系统失灵，引起一场虚惊。
• I already told you it was a false alarm.
  我已经告诉你是误警了。
• You think this is another false alarm.
  你以为这又是次错误的安排。
• The experimental results show that the model has high detection rate, and which can deduce the false alarm rate effectively.
  对模型和算法进行多种典型攻击测试实验，结果表明模型具有较高的检测率，并能有效降低误警率。
• 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。
• He was the victim of a false alarm.
  他受了一场虚惊。
• 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。
• The model-based false alarm of BIT is studied. Firstly, the information uncertainty that induces false alarm of BIT is analyzed.
  针对基于模型的BIT中的虚警问题，首先分析了引发虚警的信息不确定性；
• 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 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。