| 释义 |
alert noun ADJECTIVE | VERB + ALERT | ALERT + VERB | PREPOSITION | PHRASES ADJECTIVEheightened, high 高度戒备状态◆The country has put its troops on high alert.该国部队处于高度戒备状态。full 全面戒备状态amber, orange, red, yellow 黄色戒备等级；橙色戒备等级；红色戒备等级◆His sudden disappearance triggered a red alert among his friends.他的突然失踪让朋友们都紧张起来。nationwide 全国范围的紧急戒备状态bomb, fire, flood, pollution, security, terror 轰炸／火灾／洪水／污染／安全／恐怖警报◆A security alert was issued after four men escaped from the prison.4 名罪犯越狱后，当局发出安全警报。email 电子邮件警报◆Receive regular email alerts about breaking news.定时接收有关爆炸式新闻的电子邮件提醒。VERB + ALERTissue, put out, raise, sound 发出警报；拉响警报◆They rang the bells to sound the alert.他们敲响了钟，发出警报。spark (especially BrE) , trigger 触发／引发警报call off 解除警报◆The alert was called off when it was found that the bomb was not live.发现炸弹未装炸药时，警报就解除了。ALERT + VERBgo out 警报发布◆A nationwide alert went out for three escaped prisoners.全国范围内发布了警报，搜捕 3 名越狱逃犯。PREPOSITIONon the alert 戒备着；防备着alert for 密切注意⋯◆You should always be on the alert for anyone who looks suspicious.你们应该时刻密切注意形迹可疑的人。PHRASESbe on full alert 处于全面警戒状态◆The security forces are now on full alert.安全部队现在处于全面警戒状态。place sb on alert, put sb on alert 使某人处于戒备状态◆Thousands of police were put on full alert at all main roads leading to the city.在通向该城市的所有主要道路上有特派的数千警察全面戒备。keep sb on alert 使某人保持戒备状态a state of alert 戒备状态◆The army was yesterday placed on a state of alert in case of more riots.军队昨天处于戒备状态以防出现更多的暴乱。 |