false alarm

US 
UK 
  • n.虚惊;假警报
  • Web误报警;虚惊一场;错误的警报
Plural Form:false alarms  
false alarm
n.
1.
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。

Sample Sentence

Definition:
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