watch ♦︎ guard ♦︎ vigil ♦︎ alertThese are all words for a situation when people are watching sb/sth in case sth bad happens.这些词均表示注视、监视。PATTERNS AND COLLOCATIONS 句型和搭配◆on watch / guard / alert◆a close watch / guard◆a round-the-clock watch / guard / vigil◆to keep watch / guard / a vigil◆to mount a watch / (a) guard■watch [singular, uncountable] the act of watching sb/sth carefully in case of possible danger or problems注意;注视;监视◆The government is keeping a close watch on how the situation develops.政府正密切注视事态的发展。◆Go in and see if you can find it in his study. I'll keep watch for you(= watch and warn you if sb is coming).进去看看在他书房里能不能找到,我给你放哨。 see also watch ⇨ monitorverb■guard [uncountable] the act or duty of protecting property, places or people from attack or danger; the act or duty of preventing prisoners from escaping警戒;保卫;看守◆Two sentries stood on guard(= at their post, on duty).有两个哨兵站岗。◆The escaped prisoner was brought back under armed guard.越狱的囚犯由武装警卫押回。 see also guard ⇨ guardnoun, guard ⇨ protectverb■vigil ˈvɪdʒɪl [uncountable] the act of staying awake for a long time, especially at night, in order to watch a sick person, say prayers or protest against sth(照顾病人、祈祷或抗议的)值夜;守夜祈祷◆His parents kept a round-the-clock vigil at his bedside.他的父母日夜守护在他床边。◆Students held a candlelit vigil against the war.学生们举行了烛光守夜祈祷活动反对战争。■alertəˈlɜːt; NAmEəˈlɜːrt [uncountable, singular] a situation in which people are watching for danger or an emergency and ready to deal with it警戒;警备;警惕◆Police are warning the public to be on the alert for suspicious packages.警方警告公众要提防可疑包裹。◆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。◆Following the bomb blast, local hospitals have been put on red alert.爆炸发生之后,当地医院已处于红色警备状态。 see also alert ⇨ warningnoun, alert ⇨ warnverb, alert to sth ⇨ aware
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