false alarm
noun countable
■an occasion when people wrongly believe that something dangerous or unpleasant is happening or will happen 假警报；虚惊•Three fire engines rushed to the school only to discover it was a false alarm.三辆消防车疾驰到学校，结果却发现是虚报火警。 •She thought she was pregnant, but it turned out to be a false alarm (= she discovered she was not).她以为自己怀孕了，但后来发现是一场虚惊。 |