red alert

漢語翻譯

英文解釋：

名詞 red alert:

1. the highest level of alert when an attack by the enemy seems immanent (or more generally a state of alert resulting from immanent danger)

例句：

1. The district was put on red alert during a terrorist bomb scare.
   這個地區在得到恐怖主義者轟炸後作了應急準備。