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飞行员必须随时保持警惕。
A pilot must remain vigilant at all times.
《牛津词典》
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她强调必须时常保持警惕。
She stressed the need for constant vigilance.
《牛津词典》
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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.
《柯林斯英汉双解大词典》
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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.
《柯林斯英汉双解大词典》
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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.
youdao
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同这种邪恶作斗争需要时刻保持警惕。
Constant vigilance is needed to combat this evil.
《柯林斯英汉双解大词典》
-
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.
youdao
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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.
youdao
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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.
《新英汉大辞典》
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我们必须保持警惕、绷紧神经。
We must hold our nerve and maintain our resilience.
youdao
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作为战士我们要时刻保持警惕。
We are very vigilant as soldiers.
youdao
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世界从没有向现在这样保持警惕和戒备。
The world is alert and on guard as never before.
youdao
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规则7：保持警惕并一直持有怀疑态度。
Rule 7: Remain vigilant and always question.
youdao
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对警示性的迹象保持警惕。
Keep an eye out for warning signs.
youdao
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他说，大家必须继续保持警惕。
He says people must remain vigilant.
youdao
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对烟火爆竹保持警惕。
Keep a close eye on fireworks activity.
youdao
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但是我们现在仍然要保持警惕。
But we must remain on the alert.
youdao
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危险正在逼近，我们必须保持警惕。
While danger threatens, we must all be on guard.
youdao
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危险正逼近，我们必须保持警惕。
While danger threat ens we must all be on guard.
youdao
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但是我们现在仍然要保持警惕。
He decided he would stay more alert from now on.
youdao
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中方将继续对有关活动保持警惕。
The Chinese side will stay vigilant about that.
youdao
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他还说，我们必须对此保持警惕。
For this reason, he adds, we must be vigilant.
youdao
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毫无疑问，美国情报机构应保持警惕。
No question U.S. intelligence agencies should be watchful.
youdao
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无论在国内国外，我们必将保持警惕。
We must and we will remain vigilant at home and abroad.
youdao
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我必须保护自己、保持警惕。
I must protect myself and be on guard.
youdao
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我要是你肯定会保持警惕。
I should certainly be on my guard if I were you.
youdao
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我们必须时刻保持警惕。
We must remain ever vigilant.
youdao
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我们必须时刻保持警惕。
We must remain ever vigilant.
youdao