For the former, they will not be on the alert, while the latter is often scary.
对于前者，他们不会加以提防，而对后者却常常提心吊胆。
Be on the alert for children walking in the street, particularly in neighborhoods that have no sidewalks.
有孩子行走的街道要当心，尤其是在没有人行道的街区。
Our company has informed us that there have been many cases of piracy, and warned us to be on the alert .
公司已经通知我们，最近连续发生多起海盗袭击船舶事件，因此要求我港提高警惕。
When you back out of your driveway or leave your garage, be on the alert for children who are walking or bicycling to school.
当您开回您的车道或驶离车库，请当心步行或骑自行车上学的儿童。
However, she said that piece of deception Jade worthless so that she can not I sell low-cost, and perhaps Hence, she will be on the alert.
不过，若骗她说那块玉不值钱好让她低价卖给我也是不可能的，说不定她还会因此警觉。
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。
The policemen seem to be on the alert against something and their expressions alter when they see the clock--the crew thought it was a bomb and alerted the police!
警察好像随时准备着应付什么，看到是只闹钟时他们的表情改变了--原来机组人员把闹钟当成了，并且向警察报了警！
It is important to be on the alert for symptoms for H1N1, especially for seniors and those with a chronic health condition as they are more vulnerable to respiratory infection.
年长或患有长期疾病的人士较容易感染呼吸道疾病。因此他们需要特别留意有关甲型流感病症。
In his journal, Henry David Thoreau wrote, "My profession is always to be on the alert to find God in nature, to know his lurking places, to attend all the oratories, the operas in nature."
亨利·大卫·梭罗在日记中写道：“我要做的就是时时刻刻从自然中发现上帝的存在，了解他在自然中隐藏的地方，观赏在自然界中上演的所有演讲和华丽的歌剧演出。”
A communications trainer must be alert to the research, without getting so bogged down in the minutiae that he becomes a college lecturer instead of a hands-on provider of practical information.
一个沟通培训师必须警惕这些研究，不要拘泥于细节而变成一个大学讲师而不是实用信息的传授者。
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。
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。
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。
Japan may be hit at 0300 GMT on Sunday, the country's meteorological agency said, calling for people to be fully alert.
日本气象局说该国可能在格林尼治时间周日0300被袭，要求人们必须保持充分警惕。
Experts still disagree over whether the vaccine caused cases to increase that year, and the C.D.C. will be on high alert for reports of it this year.
专家对这年增加的病例一直有不同看法和疾病控制中心对这年的报告保持警惕。
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。
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。
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。
Be alert for the possibility of something that makes a good picture, even though it's elsewhere on the field and you couldn't possibly anticipate it.
要留神任何能够成为一幅好照片的事件，即便是它发生在你无法预测到的球场上的任何地方。
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？
Reference queues are not as useful with soft references as with weak references, but they could be used to raise a management alert that the application is starting to run low on memory.
引用队列对于软引用来说，没有对弱引用那么有用，但是它们可以用于发出管理警报，说明应用程序开始缺少内存。
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。
But on the other hand, this physical inbox could alert would-be thieves to a tech-savvy geek who probably has a stockpile of electronics at the designated address.
但在另一方面，这种邮箱可以提成为一个喜欢偷电子产品小偷的目标。
This is all the more reason to be alert and vigilant about what is happening on this front.
这就是对这一前沿正在发生的事情保持警惕的更多原因。
Instead, the site says, "high-latitude sky-watchers should be alert for auroras when the cloud arrives, probably on August 10."
倒是据SpaceWeather.com网站说，“高纬度的地区的天空观测者们在云层出现是要注意了，看是否会有极光，可能是在8月10号。”
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，并让人们坚持警醒，从而在有必要的时候可能采取举措。
This accident warns the security department of the company to be alert and improve security inspection on equipment.
这起生产事故令公司的安全部门警醒，应该加强设备的安全检查。
In a two-button alert that proposes a potentially risky action, the button that cancels the action should be on the right and light-colored.
在一个会导致潜在危险操作的两个按键的警告窗口中，取消按键应该使用浅色放置在右边。
In a two-button alert that proposes a benign action, the button that cancels the action should be on the left (and therefore dark-colored).
在开始一个操作的警告窗口中，取消按键应该放在左边(因此需要使用深色)。
In a two-button alert that proposes a benign action, the button that cancels the action should be on the left (and therefore dark-colored).
在开始一个操作的警告窗口中，取消按键应该放在左边(因此需要使用深色)。
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