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
- The article expatiates the relation of alarm threshold, investigation level, probability of detecting and false alarm rate.
阐述了核材料探查仪器的报警阈与调查水平、漏报率和误报率之间的关系。 - 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。 - 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 - 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。 - 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。 - 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; - He was the victim of a false alarm.
他受了一场虚惊。 - This has been a false alarm.
一切都是虚惊一场。 - You think this is another false alarm.
你以为这又是次错误的安排。 - It offers low false alarm rates and nuisance alarm rates without compromising on high probability of detection levels.
它降低了虚假警报率和干扰警报率,但不会降低高概率的探测级别。