on the alert

基本解释警戒着，随时准备着，密切注意着

网络释义

1. 警惕<br />2. 戒备<br />3. 处于戒备状态<br />4. 警惕着<br />5. 提防着<br />6. 步步为营<br />

用法和例句

Every country that advocates peace must be on the alert .: 每一个主张和平的国家都必须提高警惕。

The sentries were all on the alert .: 哨兵们都警戒着。

Troops are on the alert against any possible aggression .: 军队戒备着可能的来犯。

She is always on the alert for some new calamity .: 她总是保持警觉以防某种新的灾难。

The middle class on the alert .: 处于警惕中的中产阶级。

The patrol police on duty are on the alert against any possible disturbances .: 值班巡警处于戒备状态随时准备应付任何可能发生的骚乱。

In an instant we were on the alert but it was too late ;: 我们立刻警戒起来，但已经太晚了。

The order to load prepare for action and be on the alert .: 装上子弹、准备战斗、处于全面戒备的命令。

Imf watchers will be on the alert for what ms lagarde might have promised those governments in return for their support .: 对于拉加德为换取支持可能向这些国家的政府做出了哪些承诺，imf观察人士将保持警惕。

Passengers on buses should be on the alert against pick-pockets .: 公共汽车上的乘客应提防扒手。

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