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

• I already told you it was a false alarm.
  我已经告诉你是误警了。
• 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
• 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。
• 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 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。
• You think this is another false alarm.
  你以为这又是次错误的安排。
• The results of analysis and the simulation showed that the new method can provide higher detecting probability and lower false alarm rate.
  最后，对该方法的检测流程和检测性能进行分析，仿真结果表明，该方法能够获得更高的检测概率以及更低的虚警概率。
• 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。
• 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。
• 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。