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。
As you look at your listeners, be alert for their reactions.
在看你的听众时，要注意他们的反应。
Now I want you to relax and, at the same time get a little bit alert for a change.
大家放松一下，不过同时，也要机灵点，变化来了。
Drivers must be on the alert for traffic signals.
驾驶员必须密切注意交通信号。
Stay alert for important or pivotal information.
对于重要或关键的信息保持警觉。
Drivers must be on the alert for traffic signals.
驾驶员必须密切注意信号。
Drivers must be on the alert for traffic signals.
司机必须注意交通信号。
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。
They are always on the alert for traffic signals.
他们总是很留心交通信号。
She was always on the alert for some new calamities.
她总是保持警觉以防止某种新的灾难。
In our reading we should always be alert for idiomatic expressions.
我们在阅读过程中应经常注意惯用法。
After the TV news, most of the farmers were on the alert for the disaster.
电视新闻播出后，大多数的农民对这种灾害已经处于警备状态。
You can add an alert for a search and be notified when new results appear.
您可以添加搜索通知，以便在出现新结果时通知您。
Be alert for any unusual packages, guests or vehicles and advise superior of same.
对于异常的行李、客人或车辆保持高度警惕，并向上级领导汇报相关情况。
Be alert for any unusual packages, guests or vehicles and advise superior of same.
对于异常的行李、客人或车辆保持高度警惕，并向上级领导汇报相关情况。
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