对他为什么这么做妄加猜测毫无用处。
我们继续做下去也无用。
骆驼的脚十分适合干旱沙地，但在泥地上毫无用处。
The camel's feet, well adapted for dry sand, are useless on mud.
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。
Astronauts will make a final attempt today to rescue a communications satellite from its useless orbit.
喋喋不休地谈这些琐碎细节是无用的。
我认为强制投票将产生许多无用的选票。
I think that what compulsory voting would lead to would be useless votes.
我们所有的劝告都无用。
此药对我无用。
他说得那么不高兴，她知道再呆一分钟是毫无用处的。
He said it so crossly that she knew there was not the least use in staying another minute.
他们推断，沉默基因积累随机突变，最终使它们变得无用。
Silent genes accumulate random mutations, they reasoned, eventually rendering them useless.
这并不是说像伦敦的超低排放区（Ulez）这样的措施毫无用处。
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。
Today almost everyone has a smart phone, booths are out of date and seem to be useless.
既然反对日益增长的汽车需求毫无用处，我们就必须有效地满足这种需求。
While it is useless to argue against the demand for increased mobility, we must fulfill this demand efficiently.
许多评论家声称，在教育中心教授的一些课程只是在浪费时间，对学生毫无用处。
Many critics claim that some subjects taught in educational centres are just wasting time and are not useful to the student.
不断恶化的全球短缺状况可能会使价值数百万美元的高价值救生设备变得毫无用处。
The worsening global shortage could render millions of dollars of high-value, life-saving equipment totally useless.
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。
If you just scramble a sentence, it's pretty useless because the recipients are never going to be able to reverse the process.
除非把书本知识应用到实践中去，否则它仍然停留在理论层面，这样最终就毫无用处。
Unless it is applied to real experiences, book knowledge remains theoretical and, in the end, is useless.
不断恶化的全球短缺的情况可能会使价值数百万美元的高价值救生设备变得毫无用处。
The worsening global shortage could render millions of dollars of high-value life-saving equipment totally useless.
由于我们的医疗费用由第三方支付，我们要求尽可能为我们做任何事情，即使它是无用的。
Shielded by third-party payers from the cost of our care, we demand everything that can possibly be done for us, even if it's useless.
它可能不能帮你系鞋带，但那小小的塑料头可以让鞋带的其余部分不会散开成脆弱无用的线。
It may not help you tie your shoe but that little plastic tip keeps the rest of the shoelace, the shoe string from unraveling into weak and useless threads.
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