false alarm
英 [ˌfɔːls əˈlɑːm]
美 [ˌfɔːls əˈlɑːrm]
n. 假警报; 虚惊
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- 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。
- The fire service was called out but it was a false alarm.
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.- ..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
- ..a bomb threat that turned out to be a false alarm.
英英释义
noun
- a warning that is given about something that fails to occur
双语例句
- 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。 - 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。 - It is the core problem in laser detection system keeping low false alarm probability while ensure the detection distance.
如何在保证激光探测距离的基础上保持低的探测虚警，一直是激光探测系统的核心问题。 - 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 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。 - 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。 - I already told you it was a false alarm.
我已经告诉你是误警了。 - 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。 - 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。 - 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？