alert是什么意思

详细释义

• 0 quick to see, understand, and act in a particular situation -- 機警的，機敏的，敏捷的

  • I'm not feeling very alert today - not enough sleep last night! 今天我感覺特別遲鈍——昨晚沒睡好！

  • A couple of alert readers posted comments on the website pointing out the mistake. 有幾個眼尖的讀者在網路上發表評論，指出了這個錯誤。

  • Parents should be alert to sudden changes in children's behaviour. 父母應該對孩子行為的突然變化有所警覺。

• 1 a warning to people to be prepared to deal with something dangerous -- 警報

  • a bomb alert 炸彈警報

  • The army was put on (full) alert as the peace talks began to fail. 當和談快要破裂的時候，軍隊進入（全面）戒備狀態。

  • The public were warned to be on the alert for (= watching carefully for) suspicious packages. 有關部門提醒公眾，要對可疑包裹加以警惕。

• 2 to warn someone of a possibly dangerous situation -- 使警覺，使警惕；向…發出警報

  • An anonymous letter alerted police to the possibility of a terrorist attack at the airport. 有人給警方寫了一封匿名信，警告機場可能會受到恐怖襲擊。