| 单词 | alert |
| 释义 | alert adj ~ (to sth) attentive and quick to think or act 警惕的; 警觉的; 机警的 be alert to possible dangers 对可能发生的危险有警觉 The alert listener will have noticed the error. 耳朵尖的人能听出这个错. Although he´s over eighty his mind is still remarkably alert. 他虽已年逾八十, 但头脑仍十分机敏. alert, n 1 (usu sing 通常作单数) (time of) special watchfulness before or during an attack 警戒（期间） The troops were placed on full alert. 部队处於全面戒备状态. 2 warning given to prepare for danger or an attack 警报 give/receive the alert 发出[收到]警报. 3 (idm 习语) on the a`lert (against/for sth) watchful and prepared 警惕; 提防 Police warned the public to be on the alert for suspected terrorists. 警方警告群众警惕涉嫌的恐怖分子. alert, v 1 [Tn] warn (soldiers, etc) to watch for danger and be ready to act 使（士兵等）警戒, 戒备 Why weren´t the police alerted? 为什么警方没戒备起来? 2 [Tn.pr] ~ sb to sth make sb aware of sth 提醒某人注意某事 alert staff to the crisis facing the company 提醒职员注意公司面临的危局. |
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