警觉的英文：
vigilance

参考例句：
  • As watchful as a hawk
    像鹰一样警觉
  • Have/keep one's wits about one
    1.保持警觉
  • The spirited competition kept them on their toes.
    激烈的竞争使他们保持警觉。
  • One must be ever vigilant.
    每个人必须随时提高警觉。
  • Alert and watchful;cautious.
    谨慎的警觉且戒备的;谨慎的
  • He had been spotted by an alert neighbour.
    一个警觉的邻居发现了他。
  • There's also alarm at the rate of deforestation in Indonesia.
    此外，印尼森林消失的速度也令人警觉。
  • The coast guard alerted the town to the coming hurricane.
    海岸警备队令市民警觉即将来临的飓风。
  • I called her a damned hypocrite and that made her sit up.
    我骂她惺惺作态, 她马上警觉起来。
  • even the nose seemed shorter.It was the alert, cold face of a man of about five-and-thirty.
    这是一个大约三十五岁的人的一张警觉、冷静的脸。
vigilance是什么意思：
n. 警惕；失眠症
adj. 警惕的
  • Be vigilant in peace time.
    居安思危。
  • These are not the only points to which you look for vigilant watchfulness
    这些并非是诸位选择机警的看守者的唯一条件。
  • You cannot afford to relax your vigilance for a moment.
    警惕性是一刻也不可放松的。
  • A prayer vigil is being held in the cathedral in memory of the bishop.
    为了纪念这位主教，教堂里正在举行守夜祈祷。
  • I am afraid under the vigilant eyes of the examiner.
    在检察员警惕的目光下，我害怕了。

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