We have informed the airport to be on alert as the ash is quite high this time.
克里斯蒂安托说：“我们已经通知机场时刻警惕，因为火山灰现在已经上升到高空。
The Arsenal midfield will be on alert for his sudden appearances in their territory.
阿森纳中场要提防他在自己领域的突然出现。
Although they may appear dead, they sometimes spring up to attack, so always be on alert.
它们也许看上去已经死去，但有时它们也会奋起战斗，时刻处于警戒状态。
The driver must be on alert for anything that occurs in the cab and make safety his top priority.
驾驶员必须随时对驾驶室内发生的事情保持警惕，把安全放在第一位。
Therefore, in international trade, business people should be on alert against different local customs and business norms.
因此，在国际贸易中，商人应密切注意不同地方的风俗和商业准则。
No unauthorized use of public fire-fighting equipment. Be on alert with the fire and report it to the duty room in time if there is any.
不私自动用公共消防设备，如有火情及时处理并报值班室。
The Chinese embassy in Algeria then issued a statement on its website urging Chinese organizations and citizens in Algeria to be on alert.
在阿尔及利亚的中国大使馆随后发表一份关于其组织敦促中国和阿尔及利亚公民提高警觉网站上发表声明。
Whenever a film shows a close-up of a big animal like a bear, Palmer says, the viewer should be on alert: Chances are high that the animal came from a game farm or has been trained.
如果看到大型动物特写镜头的影片，比如熊，那么观众该注意了，很可能这些动物是饲养园里的或者曾受过训练。
Prepare materials and tools properly before interruption, notify the relevant personnel to be on alert, prepare relevant safety materials or substitute facilities, hang warning signs.
中断前作好器材工具的准备工作，通知相关人员提高警觉，准备相关安全器材或替代设施，悬挂警告标示。
Doctors baffled by an unexplained rash on people's ears or cheeks should be on alert for a skin allergy caused by too much mobile phone use, the British Association of Dermatologists said.
英国皮肤科医师协会称，医生们在发现患者耳部或两颊出现无法解释其原因的皮疹时应当注意，那可能是由于过度使用手机而造成的皮肤过敏。
It should be on alert that some problems in the mode of traditional industrialization in our country are still emerging in different ways in the industrialization in the latest over 20 years.
我国传统工业化模式中的一些问题在近20多年的工业化过程中依然以不同的方式表现出来，这是需要警惕的。
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。
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。
They report on the culture of China and alert the people so that action can be taken if needed.
它们报导中国文化，并让人们保持警醒，从而在有必要的时候可以采取行动。
Limiting the wait time and sending an alert on an error return code would be a very good thing to add.
限制这个等待时间，并发送关于一个错误返回码的警报，是非常有必要增加的一个功能。
But I insist that the virus is still present, that we need to remain on alert and the resumption of activities will be little by little, not all at once.
但是我坚信流感现在仍然活跃，我们需要继续提高警惕，病毒的反扑是一点一点体现出的，而不是一下子爆发。
We are therefore campaigning for authors, researchers and editors to be on the alert for plagiarism and to work against cultural misunderstandings.
因此我们正在帮助论文作者、研究人员以及杂志编辑小心提防剽窃，而且还要对抗文化上的误解。
Notification can be configured to send alert based on warning or alarm to administrators for corrective measurements.
可以根据警告或警报向管理员发送通知，提醒他们采取纠正措施。
If needed, alert your employer about your desire for rest and tell them you will be unavailable on that particular day.
如果需要的话，让你的老板知道你想休息，告诉他们在安排休息的那天你将不从事工作。
Human and animal health services must be on high alert, sharing information and quickly reporting any signs of disease in birds or humans that could be due to H5N1 avian influenza.
人类和动物卫生服务机构必须保持高度警惕，分享信息并迅速报告任何可能因H5N1型禽流感导致的禽类或人类中的疾病迹象。
Consumers also tend to be more alert on the Internet.
消费者当然也倾向于在互联网上更加谨慎小心。
If you generally rely on stimulants to stay awake or be more alert, try to change a few daily activities and get a natural boost.
如果你是倚赖兴奋剂去保持清醒或者保持敏捷，那么试着去做一些日常活动，开始一个自然的提升。
Some monitoring should be provided on the active configuration as a matter of course, and an informational alert should be sent to those responsible for the infrastructure when a change occurs.
当然，应当对激活状态下的配置进行一定程度的监控，当发生任何更改时，一个信息警告将被发送给负责基础结构的人员。
"You always need to be alert and analyze what's going on," she adds.
“你需要时刻警惕，并且分析发生了什么事情。”她补充道。
What if robotic skin could detect and alert people of illness, drunkenness or toxic chemicals, and on top of that would be super flexible and sense the lightest of light touches?
如果机械皮肤能够探测疾病、醉酒或者有毒化学品并向人们发出警告，甚至将超级柔韧并可感知最轻的轻触，那将会怎样？
Instead, their personal information will be held on servers in "data clouds" that will alert them automatically when a potential love interest is nearby.
取而代之的是他们个人信息会在服务器的“云数据”中，当周围有有了潜在的爱情时会自动提示他们。
He and other experts say that keeping close tabs on patients' heights can be a simple and inexpensive way for doctors to stay alert to other health problems.
他和其他专家说，密切监测病人的身高是简单而廉价的方法，有助于对病人的其他健康问题保持警觉。
If you can think on your feet, and are quick to reply to her playful teases, you’ll be seen as smart and alert.
如果你能够反应迅速，随机应变并能够快速的对她的逗趣玩笑做出反应，那么她会认为你聪明又机灵。
If you can think on your feet, and are quick to reply to her playful teases, you’ll be seen as smart and alert.
如果你能够反应迅速，随机应变并能够快速的对她的逗趣玩笑做出反应，那么她会认为你聪明又机灵。
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