He's useless at DIY. He won't even put up a shelf.
他的动手能力很差，甚至连搭个架子都不会。
Saying "I'm useless as a parent" does not commit a person to any specific improvement.
“作为一个父母，我一无是处”这句话并不能让一个人做出任何具体的改进。
He was also afraid he'd be useless as a coach, caving under the pressure and forgetting all we'd learned in our childbirth class.
他还担心自己无法完成指导的任务，在压力作用下忘记我们在分娩课上学过的一切。
Astronauts will make a final attempt today to rescue a communications satellite from its useless orbit.
宇航员们今天将做最后一次尝试，把一颗通讯卫星从它无用的轨道上拯救出来。
I became a distraught, worried mother, a useless role if ever there was one.
如果有个心烦意乱、忧心忡忡的母亲，一个完全无用的角色，那就是我。
Today almost everyone has a smart phone, booths are out of date and seem to be useless.
今天，几乎每个人都有一个智能电话，电话亭已经过时了，似乎是无用的。
For those in power, this makes history as a discipline not only useless but dangerous too.
对于掌权者而言，这使得历史作为一门学科不仅毫无用处，而且危险。
A few adults argue that because of the demanding nature of children, they might even misuse the given money for useless purposes.
一些成年人争辩说，由于孩子的要求天性，他们甚至会把给他们的钱用在无用的地方。
I was conned into buying a useless car.
我上当受骗买了辆不能用的汽车。
The editor killed a few useless lines.
编辑删掉了几行无用的文字。
If you just scramble a sentence, it's pretty useless because the recipients are never going to be able to reverse the process.
如果你只是加密一个句子，这是毫无用处的，因为收件人没法将这个句子反加密出来。
"It is a very sad thing that nowadays there is so little useless information," quipped Oscar Wilde in 1894.
1894年，奥斯卡·王尔德嘲笑说：“如今，几乎没有无用的信息，这是非常可悲的事情。”
"A white elephant" means something that is useless, although it may cost a lot of money.
“白象”指的是无用却很昂贵的东西。
Why did you give me a pair of useless eyes when you gave me life?
为什么你给了我生命，却给了我一双无用的眼睛？
After a few months, Jeff began to understand it was useless to be angry.
几个月后，杰夫开始明白，生气是没有用的。
All my knowledge is useless when it comes to trying to blow bubbles from a loop filled with soapy water.
当试图从蘸满肥皂水的环中吹泡泡时，我所有的知识都是无用的。
The second drawer began to fill and as it did I wondered whether there were bigger discoveries out there, not just species, but life that depends on things thought to be useless, life even without DNA. I started a third drawer for these big discoveries.
第二个抽屉开始被填满。此时我在想外头是否还有更大的发现，不只是物种，还有依赖于人们认为无用的东西的生命以及甚至没有 DNA 的生命。我为这些重大发现设立了第三个抽屉。
If a program is useless, it will have to be documented.
如果一个程序是无用的，那它必须被注释。
For a completely useless model, the answer would be 50%; for a perfect model, the answer would be 100%.
对于一个完全无用的模式来说，答案会是50%；对一个完美的模式来说，答案会是100%。
But no matter how good your tools are, they're useless without a good plan that defines how to get where you want to go.
但不论您的工具有多好，没有一个好的计划来定义如何达成您的目标，这些工具还是毫无用处的。
It did not serve any purpose; it was a useless wreck.
它没有任何价值；它是一个无用的残骸。
The semiconscious brain is not a useless sack of neural goo, they have shown, and not all damaged brains are the same.
他们指明半昏迷的大脑装的并不是一大袋无用且混乱的神经黏性物，并非所有的损坏的大脑都一样。
A 300-line method is useless from a design or reuse standpoint because you can't focus on the important constituent parts.
从设计或重用的角度来看，长达300行的方法是没用的，因为无法把注意力集中在重要的部分上。
Semantic: The document must contain enough DOAP terms for it to make sense; for instance, a DOAP file would be pretty useless without a name, description, and homepage property.
语义：要使文档有意义，文档必须包含足够的doap术语。例如，一个DOAP文件如果没有名称、描述和主页属性，那么根本没用。
Why do Americans spend such huge amounts of time, money, water, fertiliser and fuel on growing a useless smooth expanse of grass?
为什么美国人要把如此大量的时间、金钱、水、化肥和燃料花在一大片平整却毫无用处的草地上呢？
More importantly, it's just plain useless, and useless buttons are never a good thing.
更重要的是，它毫无用处，而没有用的按钮不是好东西。
Yin-Yang+: A seemingly useless plugin, but fun nonetheless.
Yin-Yang+：一个表面看起来没有用的插件，但是非常有趣。
This variation means that the processor busy rate now has a random denominator and a random numerator, which renders this value fairly useless in a production virtual world.
这种变化意味着现在处理器繁忙时间所占百分比的分子和分母都是随机的，因此这个值在生产虚拟环境中没有用处。
Therefore, the code in Listing 13 is useless from a transaction standpoint; although it appears that it USES transactions to maintain atomicity and consistency, in fact it does not.
因此，清单13中的代码从事务角度来说毫无用处；尽管看上去它使用事务来维护原子性和一致性，但事实上并没有。
A network is mostly useless without a hypermedia system sitting on top of it, and multiplying its effectiveness.
如果没有超级媒体系统统领并繁衍内容的话，网络几乎是没有用的。
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