通过研究一个人的个人信息，无人机可以知道什么时候该带来一杯咖啡。
The drone can know when to bring a cup of coffee by studying a person's personal information.
任何一个曾经辛苦地经历过SAT考试的人都可以证实，应试技巧也很重要，即是否知道什么时候该猜测答案或者什么样的问题该跳过去。
Anyone who has toiled through SAT will testify that test-taking skill also matters, whether it's knowing when to guess or what questions to skip.
当他们这样做的时候，你就该知道是时候停下来，继续做自己的事。
When they do so, you should know that it's time for you to stop and get on with your day.
正当我不知道该怎么办的时候，一本书出现在我面前。
As I was wondering what to do, a book appeared in front of me.
我坐在地板上，女儿继续她的“谈话”。她说：“我受够了。我只是不知道该拿她怎么办了。每当我要工作的时候，她就会哭，还想玩游戏。”
My daughter continued her "conversation" as I sat down on the floor. She said, "I'm all fed up. I just don't know what to do with her anymore. She cries whenever I have to work and wants to play games, too."
当所有的士兵都在担心下一步该怎么办的时候，宰相管仲突然说：“老马是聪明的动物，可能知道回家的路。”
When all the soldiers worried about what to do next, suddenly, the prime minister Guan Zhong said, "Old horses are clever animals who may know the way back home."
因此什么时候你才能真正知道现在是该放弃的时候了。
我们不知道该怎样驾驶的时候，旁边绝不会没有向导的。
Remember we are never without a pilot when we know not how to steer.
当人们换班时，大脑不知道什么时候该睡觉，这样就会影响人们身体机能的运转。
When people change shifts, the brain never knows when it's supposed to be asleep, so this affects how people function.
它知道是该停下问路和选择一致的道路的时候了。
It knows it's time for you to stop, ask directions, and choose the path of alignment.
运行该样式表的时候，如果看到Matchedrootnode消息，就知道到了那里。
When you run the stylesheet, if you see the Matched root node message, you know you got that far.
要是我有102岁，当普莱斯太太把那件红毛衣放在我课桌上的时候，我就知道该怎么说了。
Today I wish I was one hndred and two instead of eleven because if I was one hundred and two I’d have known what to say when Mrs. Price put the red sweater on my desk.
我们的身体喜欢一致性，所以我们应该让他们知道是该松弛下来的时候了。
Our bodies like consistent patterns , so we should let them know that it’s time to wind down.
当我准备离开美术馆的时候我才知道那个老人是谁，他的自画像出现在该次展览的宣传海报上。
As I was leaving the gallery I found out who the old man was -his self-portrait was on the posters advertising the exhibition!
我只是想告诉你事实，告诉你博客圈的真实状况，不为别的，只是像文章中提到的这些内容是时候该让人们知道了。
I’m simply telling the truth, and giving you the real state of the blogosphere for no other reason than it’s about time something like this was said.
专家和新手的区别在于：知道什么时候运用该脚本，什么时候 避免使用它。
What separates the professional from the tyro is knowing when to apply the power of scripting and when to eschew it.
当有有经验的员工在他们周围指点，为他们献计的时候，也就不必让每个员工必须知道该怎么独自完成工作了。
There’s no reason every employee should have to figure out how to get things done by themselves when there are experienced employees around who can show them the ropes.
有时候，在谈论目标时，人们只有在清楚地知道自己将会达到目的或知道该如何达到目的的时候才会说出自己想要什么。
When it comes to vision, sometimes people won't even say what they want unless they know they will get there or how to get there.
在一位儿科医师的帮助下，他现在知道在哮喘发作的时候该怎样处理。
Thanks to the help of a paediatrician, he now knows what he has to do when he has asthma symptoms.
“在我们开始研究的时候，我们知道北极的情况特别糟糕，但我们没有预料到该问题的严重程度，”加图索说。
"We knew the Arctic would be particularly badly affected when we started our studies but I did not anticipate the extent of the problem, " said Gattuso.
你想在生活中体验到更多的东西，知道该睡的时候就睡，该玩的时候就玩（但是，对我们大多数人来说，应该是工作）。
You want to experience more of your life as a well-rested individual who has an idea of when it’s time to sleep and when it’s time to celebrate (or, in most of our cases, work).
以往的季节很确定，我们知道什么时候该种庄稼。
The seasons used to be certain and we would know when to plant crops.
买了很多衣服，在穿的时候却不知道该穿什么？
有时候你仅仅想找到你想要的信息，保存它然后继续，但是你却不知道该怎么做。
Sometimes you just want to get the information you're after, save it and move along. And you can't.
瓦霍维娅公司前董事长托马斯-R-威廉斯发现，许多在银行界工作的年轻人不知道什么时候该停止研究方案，什么时候该着手结束工作。
Thomas R. Williams, former chairman of Wachovia Corporation, discovered that many young people in banking don't know when to stop researching a project and start wrapping it up.
父亲们现在越来越关注小孩的成长，但是很多都不知道他们该怎么去做，你总不能做带小孩的时候玩黑莓手机吧。
This is within the male comfort zone and it demands a father's full attention. You can't use a BlackBerry while you do it.
神知道甚么时候该不给我们看得见的凭据，甚么时候给我们看得见的凭据。
God knows just when to withhold from us any visible sign of encouragement, and when to grant us such a sign.
另外还得知道什么时候该全身而退，不懂得适时离开一个组织的人通常输得很惨，最后颜面尽失，而在别人赶你走之前自己跳槽的人往往很有可能跳上另一个权力的宝座。
People who do not know when to leave an organisation frequently crash and burn. People who jump before they are pushed have a good chance of leaping to yet another aphrodisiacal throne.
我记得那个时候我不知道苹果电脑和IBM兼容电脑的区别、不知道该买哪一个。
I remember when I didn’t know the difference between an Apple and an IBM clone/compatible computer, or know which one to buy.
我记得那个时候我不知道苹果电脑和IBM兼容电脑的区别、不知道该买哪一个。
I remember when I didn’t know the difference between an Apple and an IBM clone/compatible computer, or know which one to buy.
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