alert
alert 英 [əˈlɜ:t] 美 [əˈlɜrt]
vt. 警告；使警觉， adj. 警惕的，警觉的 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，
- adj. 警惕的，警觉的
- n. 警戒，警惕；警报
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1. 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。
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2. Two alert scientists spotted the mistake.
两个警觉的科学家发现了这个错误。
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3. We must be alert to the possibility of danger.
我们必须认识到危险的可能性。
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4. Neighbours quickly alerted the emergency services.
邻居很快向紧急情况中心报了警。
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5. They had been alerted to the possibility of further price rises.
他们已意识到价格可能继续上涨。
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6. a bomb alert, a fire alert
炸弹╱火警警报
- 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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