alert
美 [ə'lɜrt]
英 [ə'lɜː(r)t]
- n.警报；警惕；警戒；戒备
- adj.警觉的；警惕的；戒备的；意识到
- v.向…报警；使警觉；使警惕；使戒备
- 网络警告；机灵的；警示
复数：alerts 现在分词：alerting 过去分词：alerted
v.+n.
alert user,agent alert,alert driver,alert police
adj.+n.
red alert,high alert,full alert,nationwide alert,alert status
alert
显示所有例句
1. | 警觉的；警惕的；戒备的able to think quickly; quick to notice things |
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。 | |
Two alert scientists spotted the mistake. 两个警觉的科学家发现了这个错误。 |
2. | ~ to sth 意识到；注意到aware of sth, especially a problem or danger |
We must be alert to the possibility of danger. 我们必须认识到危险发生的可能性。 |
1. | ~ sb (to do sth).~ sb (that)… 向…报警；使警觉；使警惕；使戒备to warn sb about a dangerous or urgent situation |
Neighbours quickly alerted the emergency services. 邻居很快向应急服务机构报了警。 | |
Alerted by a noise downstairs, he sat up and turned on the light. 楼下的响声使他警觉，他坐起来打开灯。 |
2. | ~ sb to sth 使意识到；使认识到to make sb aware of sth |
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。 |
1. | [sing][u] 警戒；戒备；警惕a situation in which people are watching for danger and ready to deal with it |
Police are warning the public to be on the alert for suspicious packages. 警方警告公众要警惕可疑包裹。 | |
More than 5 000 troops have been placed on (full) alert . 5 000 多名士兵已处于（全面）戒备状态。 |
2. | [c] 警报a warning of danger or of a problem |
a bomb/fire alert 炸弹╱火警警报 |