We must be alert to the possibility of danger.
我们必须认识到危险的可能性。
Be alert to suspicious parcels.
小心可疑包裹。
请对此类电话保持警觉。
So we should be alert to this issue.
对这个问题要清醒”。
You must be alert to the hidden danger.
你必须对隐藏的危险保持警觉。
We need to be alert to potential pitfalls.
我们需要警惕可能出现的隐患。
对此要保持高度的警觉。
This is the problem that we must be alert to.
这是值得我们保持警觉的问题。
The key to the method is to be alert to new words.
使用这个方法的关键是对生词的警觉。
You should be alert to deal with people of such sort.
跟这类人打交道，你必须格外警觉。
Parents should be alert to these changes in a child's behavior.
家长应该警惕孩子这些方面的行为变化。
The poor children early take charge, but must be alert to "let""
穷人的孩子早当家，但必须警惕“人穷志短”。
Parents should be alert to sudden changes in children's behavior.
父母应该留心孩子行为的突然变化。
Parents should be alert to these changes in a child \ 's behavior.
家长应该警惕孩子这些方面的行为变化。
Every situation is unique, and we must be alert to its uniqueness.
其实，每个情景都是独特的，我们必须对其独特性保持警觉。
However, we also must be alert to the risk of death to the instrument.
然而，我们也必须要警觉到仪器致死的危险。
Always be alert to potential attacks and thwart them before they happen.
时刻警惕可能存在的抨击，先发制人。
Also, be alert to check that the server does not start in configuration mode only!
此外，务必检查服务器不是仅以配置模式启动！
Employees should be alert to see that guards are kept in place and properly adjusted.
员工应保持警惕观察保护罩是否就位，并要经过正确地调整。
Be alert to protect our country, be ready to annihilate any aggressors at any moment.
提高警惕，保卫祖国！随时准备歼灭入侵之敌！
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。
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。
It's a very intense job, and they have to be alert every moment.
这是高度集中的工作，他们需要时刻保持警惕。
They were constantly on the alert not to be taken by surprise.
他们一直处于常备不懈状态以防突然袭击。
Health workers must be fully alert and samples must be taken and sent to laboratories.
卫生工作人员必须保持高度警惕，必须搜集样本并送往实验室。
Health workers must be fully alert and samples must be taken and sent to laboratories.
卫生工作人员必须保持高度警惕，必须搜集样本并送往实验室。
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