栏目: 英语词典 来源: www.jsqq.net 时间: 2022-07-12 00:00
提防；警戒著；随时准备著
警戒着， 随时准备着， 密切注意着
on the air───在广播，广播中
on the beat───合拍；在巡逻中
on the flat───没有让步条件的
on the slant───倾斜的
on the average───平均而言；一般说来
on the carpet───在考虑中；在审议中
on the market───上市；出售的
in the air───在空中；悬而未决；在流传中；不设防
on alert───警戒状态
She was always on the alert for some new calamities.───她总是保持警觉以防某种新的灾难.
They must be constantly on the alert for the enemy.───他们必须随时注意敌人.
Her fears had always been on the alert for an upheaval.───她日夜提心吊胆,严防突变.
These are the Chinese need to be on the alert.───这些都是需要中方警惕的.
They were constantly on the alert not to be taken by surprise.───他们一直处于常备不懈状态以防突然袭击.
Hearing this, I was instantly on the alert.───我一听这话, 当下就警惕起来.
The Armies were constantly on the alert not to be taken by surprise.───部队一直处于警戒状态以防突然袭击.
An early warning system puts everyone on the alert.───预警系统让每个成员进入警戒状态.
The policemen were on the alert for an excaped convict.───一名逃脱犯令警方全面警戒.
They want to be on the alert for similar buying opportunities.───他们要准备应对类似的购买机会。
The sentries were all on the alert.───哨兵们都警戒着.
Police are warning the public be on the alert for suspicious packages.───警方警告公众要警惕可疑包裹.
They did their best to keep on their guard [ on the alert ] .───他们尽量保持 警惕.
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。
Drivers must be on the alert for traffic signals.───驾驶员必须密切注意交通信号.
Troops are on the alert against any possible aggression.───军队戒备着可能的来犯.
Knowing that danger threatened , the sentry was on the alert.───因为知道危险势将发生, 这哨兵加意戒备.
Drivers must be on the alert for traffic signals.
