be on the alert for 警戒 ; 戒备
Be Alert for New Opportunities 重视新机会
alert for commitment 作好战斗准备
alert for contribution margin scheme 边际收益方案警报
alert for sth 对某事留神的
Be alert for Ads 关注招聘广告
red alert for fog 雾霾红色预警
Battery Charging Alert for Mac 电池充电提醒工具
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。
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。
Alert for the rumble and shake.
时刻警惕着隆隆声和摇晃。
The U.S.State Department has issued a fresh travel alert for India, saying the U.S.government continues to receive information that terrorist groups may be planning attacks here.
VOA: standard.2009.10.30
Dr.Chan said all countries should immediately activate their pandemic preparedness plans and countries should remain on high alert for unusual outbreaks of influenza-like illness and severe pneumonia.
VOA: standard.2009.04.29
For the first time the W.H.O.raised its alert level from phase four to phase five on April twenty-ninth.
VOA: special.2009.05.06
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