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

• 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。
• He was the victim of a false alarm.
  他受了一场虚惊。
• 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
• This has been a false alarm.
  一切都是虚惊一场。
• 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。
• Simulation results show the mechanism can detect the DNS attack, it makes good compromise between the detection rate and the false alarm rate.
  仿真结果表明，该机制能够有效检测DNS缓存攻击，并实现检测准确率和误警率间的平衡。
• 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。
• 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。
• 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。