useful
常考释义
1.有用的；有益的；实用的；有帮助的that can help you to do or achieve what you want
a useful gadget有用的小器具
It can be useful to write a short summary of your argument first.先把你的论点纲要写下来可能会有帮助。
He might be useful to us.我们也许用得上他。
These plants are particularly useful for brightening up shady areas.这些植物特别有助于让背阴的地方明亮起来。
Don't just sit watching television─ make yourself useful !别光坐着看电视，帮一下忙吧！
This information could prove useful .这条信息往后也许有用。
Your knowledge of German may come in useful(= be useful in a particular situation) .你的德文知识可能会派上用场。
Some products can be recycled at the end of their useful life.有些产品过了有效使用年限后是可以回收再利用的。
2.(informal)好的；合格的good; of the right standard
He's a very useful player.他是个很棒的运动员。
This probably would not be very useful as it would only be possible to everaccess one cache at a time.
这可能并不是很有效，因为在同一时间只有可能存取一个缓存。
Different laptops may respond to 'standby' in different ways - in many it is only a temporary state and may not be useful for you.
不同的笔记型电脑有不同的「待机」方式-多数情况下只是一个临时状态，不一定对您有用。
And this model is going to be very, very useful for a lot of the things that we'll treat.
这个例子非常有用，他会对我们研究其他东西有所帮助。
Like an entertaining satire, the plot and characters of that report offer useful material for contemplation.
像娱乐性讽刺一样，报道的情节和角色提供了很好的使人深思的材料。
It is often useful to recognize a particular pattern in text and mark it up.
识别文本中的特定模式并进行标记通常十分有用。
Based on what you know of the job market, which of your courses were the most useful? The least?
根据你的了解，学什么课程对于就业最有用？最没有用的课程是？
When you live a life of deception you get to be very good at it; a well-constructed lie is a lot more useful than the truth.
当你生活在一个被谎言包围的世界中于是你定会非常善于此；一个有着完美构建的谎言往往要比真话有用的多。
But I gave it a chance, because smart people who I trusted told me that it's very useful.
但是我给了它一次机会，因为我信任的那个聪明的家伙告诉我它很有用。
However, it is often useful to provide additional constructors.
然而，提供其他构造函数通常十分有用。
It could be useful, or at least interesting, to let a utility on my home system keep track of hits to my Web server.
让我的主系统上的某个实用程序跟踪对我的Web服务器的点击率，这可能十分有用，至少非常有趣。
It's easy to hammer out rough drafts, but to turn those rough drafts into something readable and useful is another matter entirely.
努力写出一份未完成的草稿是很简单，但是要把这些草稿变为能读且有用的东西却是完全不同的一回事了。
Regular expressions are algorithmically interesting, easy to implement in their simpler forms, and very useful.
正则表达式演算有趣，易於执行的简单形式，和非常有用的。
But it wasn't necessarily all that useful; you simply type a word in and eventually many minutes later you get a response back.
但它并不是很实用；，你把单词输进去，好几分钟后才会有回应。
These appearances suggest that this imaging technique is useful for the diagnosis of isolated dissection of the superior mesenteric artery.
这些表现说明了此种影像技术对于诊断单独上肠系膜动脉剥离是有帮助的。
Before you answer, remember, A grown man with children is in a very different position Than a young man. The money could be useful now.
记住，回答我之前，一个有家室的男人跟一个年轻男孩，的看法应该是不一样的。现在对你来说钱可能很重要了。
It's a card that allows you to withdraw cash from any one of our ATMs without any extra charge. It's a very useful service.
那是一种可以让你通过我们任何一台取款机提款的卡而且这不需要另外收费，是非常有用的服务。
In juggling multiple goals and increasing the likelihood of meeting them, it is often useful to first focus on the goals themselves.
在多重目标以及在增强实现多重目标可能性的游戏中，先着眼于目标本身往往是有效的。
A superbly useful talent for a rogue is ranger, which allows you to call an animal to join your party.
为一个流氓阿寄望有用的人才是护林员，它允许您调用动物加入您的党。
It's useful in pointing out how much someone will save, over a greater period of time, by buying from you.
指出如果从你这里买东西期限更长些能节省多少钱的话这招很管用。
A program that appears to be useful or harmless but that contains hidden code designed to exploit or damage the system on which it is run.
一种看上去有用或无害但实际上包含旨在利用或破坏运行它的系统的隐藏代码的程序。
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