on the alert
英 [ɔn ðə əˈlə:t]
美 [ɑn ði əˈlɚt]
on the alert的释义
警戒着， 随时准备着， 密切注意着；
[ 例句 ] They did their best to keep on their guard [ on the alert ] .
[ 释义 ]
他们尽量保持 警惕.
on the alert 来自 大学英语四级词汇查询 - www.wolaishi.com/CET4/
[ 例句 ] Passengers on buses should be on the alert against pick - pockets.
[ 释义 ]
公共汽车上的乘客应提防扒手.
on the alert 来自 大学英语四级词汇查询 - www.wolaishi.com/CET4/
[ 例句 ] Old Jolyon was on the alert at once.
[ 释义 ]
老乔里恩立刻警觉起来.
on the alert 来自 大学英语四级词汇查询 - www.wolaishi.com/CET4/
[ 例句 ] Knowing that danger threatened, they on the alert.
[ 释义 ]
因为知道可能会发生危险, 他们处于戒备状态.
on the alert 来自 大学英语四级词汇查询 - www.wolaishi.com/CET4/
[ 例句 ] The policemen were on the alert for an excaped convict.
[ 释义 ]
一名逃脱犯令警方全面警戒.
on the alert 来自 大学英语四级词汇查询 - www.wolaishi.com/CET4/