alert
alert 英 [əˈlɜ:t] 美 [əˈlɜrt]
vt. 警告；使警觉，使意识到 adj. 警惕的，警觉的；留心的 n. 警戒，警惕；警报
进行时:alerting 过去式:alerted 过去分词:alerted 第三人称单数:alerts 名词复数:alerts
- Alert! Alert! Alert! Did I get your attention? When you are alert, you are awake and ready. When you issue an alert you give warning, alerting people to, or notifying them of, a concern.
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- vt. 警告；使警觉，使意识到
- adj. 警惕的，警觉的；留心的
- n. 警戒，警惕；警报
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1. They were quiet during the alert.
警戒期间他们保持安静。
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2. Hearing this, I was instantly on the alert.
我一听这话，当下就警惕起来。
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3. The cat is alert to every sound and movement.
那只猫对任何响动都很警觉。
- alert (adv.) "on the watch," 1610s, from French alerte "vigilant" (17c.), from prepositional phrase à l'erte "on the watch," from Italian all'erta "to the height." Second element from erta "lookout, high tower," noun use of fem. of erto, past participle of ergere "raise up," from Latin erigere "raise" (see erect (adj.)).
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