警方警告公众要警惕可疑包裹。
Police are warning the public to be on the alert for suspicious packages.
同这种邪恶作斗争需要时刻保持警惕。
飞行员必须随时保持警惕。
她强调必须时常保持警惕。
警察已仔细盘问了他,因此他会保持警惕。
The police have questioned him thoroughly, and he'll be on his guard.
他告诫公众要保持警惕,报告任何可疑情况。
He warned the public to be vigilant and report anything suspicious.
武装部队保持高度警惕,以防发生任何报复行为。
The armed forces were on high alert to guard against any retaliation.
在所有任务完成之前,非洲人国民大会丝毫不敢放松警惕。
The ANC could not afford to lower its guard until everything had been carried out.
一个警惕的声音说:“谁在那里?”
日本的核危机已经引起了全球的警惕。
即使刺激的强度很低,你也要保持警惕。
You can be alert, even though the intensity of the stimulus is quite low.
这是高度集中的工作,他们需要时刻保持警惕。
It's a very intense job, and they have to be alert every moment.
她警惕地盯着我,好像我会变得很粗暴似的。
保持警惕可以帮你避免很多麻烦。
Keeping your eyes open can help you avoid a lot of troubles.
一开始,她很紧张,知更鸟自己愤怒地警惕着。
At first, she was very nervous and the robin himself was indignantly watchful.
出于某种神秘的原因,他知道他不需要警惕狄肯。
For some mysterious reason, he knew he need not watch Dickon.
为了避免意外事故,必须经常保持警惕。
Constant vigilance is necessary in order to avoid accidents.
任何时候我们都要保持高度警惕。
他说,大家必须继续保持警惕。
作为战士我们要时刻保持警惕。
我们必须保持高度的警惕。
世界从没有向现在这样保持警惕和戒备。
我们提高警惕,抓住了那个窃贼。
我们必须不能放松警惕。
我们必须时刻保持警惕。
但我们决不能放松警惕。
人们更加警惕这些风险。
对于你加进你网络的那些用户,要加强警惕。
对于你加进你网络的那些用户,要加强警惕。
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