alert

[əˈlɜ:t]
  • 释义
  • adj.

    警觉的，警惕的，注意的;思维敏捷的;活泼的;

  • n.

    警报;警戒状态;

  • vt.

    向…报警;

  • 词义辨析
  • on alert,on the alert
  • 这两个短语形似义近，它们的区别是：
    on alert是针对危险情况的，意思是“防备着”；on the alert是针对事态发展的，意思是“随时准备着”。
  • 双语例句
  • 1、

    A monkey is very alert in its movements.

    猴子的动作很敏捷.

    ——《简明英汉词典》
  • 2、

    In our reading we should always be alert for idiomatic expressions.

    我们在阅读过程中应经常注意惯用法.

    ——《简明英汉词典》
  • 3、

    Suddenly he found himself awake and fully alert.

    突然他发觉自己醒了过来，而且高度警觉。

    ——《牛津高阶英汉双解词典》
  • 4、

    The armed forces were on high alert to guard against any retaliation.

    武装部队保持高度戒备，以防发生任何报复行动。

    ——柯林斯例句
  • 5、

    The bank is alert to the danger.

    银行充分意识到了危险。

    柯林斯例句
  • 6、

    Her expression was watchful and alert.

    她露出一副察言观色、处处提防的表情。

    ——《牛津高阶英汉双解词典》
  • 7、

    All the Plymouth hospitals are on red alert.

    普利茅斯所有的医院都处于紧急状态之中。

    ——柯林斯例句
  • 8、

    "Will you call the board to alert them that I feel I should resign?" — "I'll do it. But I think you're copping out."

    “你能不能给董事会打电话，提醒他们我觉得自己应该辞职？”——“我会的，但我认为你这是在逃避责任。”

    ——柯林斯例句
  • 9、

    I managed to walk around unchallenged for 10 minutes before an alert nurse spotted me.

    我四处走动了10分钟，没有受到查问，之后一位警觉的护士发现了我。

    ——柯林斯例句
  • 10、

    Due to a security alert, this train will not be stopping at Oxford Circus.

    由于安全戒备的原因，该次列车在“牛津街口广场”站将不停留。

    ——柯林斯例句
  • 11、

    Soldiers and police have been put on alert.

    士兵和警方都已进入警戒状态。

    ——柯林斯例句
  • 12、

    Sirens sounded an end to the red alert.

    警报声宣告了红色预警的结束。

    ——柯林斯例句
  • 13、

    The all clear was sounded about 10 minutes after the alert was given.

    警报发出10分钟后又响起解除的信号。

    ——柯林斯例句
  • 14、

    He had been spotted by an alert neighbour.

    一个警觉的邻居发现了他。

    ——柯林斯例句
  • 15、

    If our environment cools, then messages from the skin alert the body's thermostat.

    如果外在环境变冷，体表会将这一信息传递给身体的体温调节中枢。

    ——柯林斯例句
  • 16、

    He is a man alert in problem.

    他是个留意问题的人.

    ——《简明英汉词典》
  • 17、

    Alert readers may have noticed the misprint in last week's column.

    细心的读者可能已经注意到上周专栏中的印刷错误了.

    ——《简明英汉词典》
  • 18、

    A sparrow is very alert in its movements.

    麻雀行动非常机灵.

    ——《简明英汉词典》
  • 19、

    The district was put on red alert during a terrorist's bomb scare.

    这个地区在得到恐怖分子炸弹恐吓后作了应急准备.

    ——《简明英汉词典》
  • 20、

    The whole navy was placed on full alert.

    整个海军都处于全面戒备状态.

    ——《简明英汉词典》
  • 21、

    Drivers must be on the alert for traffic signals.

    驾驶员必须密切注意交通信号.

    ——《简明英汉词典》
  • 22、

    A nationwide alert went out for three escaped prisoners.

    全国范围內发布了警报,搜捕三名监狱逃犯.

    ——《简明英汉词典》
  • 23、

    The rabbIt'seems to be very alert all its life.

    兔子似乎一生都小心翼翼,十分警觉.

    ——《简明英汉词典》
  • 24、

    One should not run about aimlessly during an alert.

    空袭警报期间不可到处乱跑.

    ——《现代英汉综合大词典》
  • 25、

    They were constantly on the alert not to be taken by surprise.

    他们一直处于常备不懈状态以防突然袭击.

    ——《现代汉英综合大词典》
  • 26、

    The Armies were constantly on the alert not to be taken by surprise.

    部队一直处于警戒状态以防突然袭击.

    ——《现代汉英综合大词典》
  • 27、

    Hearing this, I was instantly on the alert.

    我一听这话, 当下就警惕起来.

    ——《现代汉英综合大词典》
  • 28、

    Don't alert the enemy.

    不要惊动敌人.

    ——《现代汉英综合大词典》
  • 29、

    They were quiet during the alert.

    警戒期间他们保持安静.

    ——《现代汉英综合大词典》
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