She knew it was useless to protest.
她知道抗议是没用的。
这支笔没用了。
But I put it to you that they're useless.
但我要告诉你，他们没用。
The camel's feet, well adapted for dry sand, are useless on mud.
骆驼的脚十分适合干旱沙地，但在泥地上毫无用处。
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。
It is useless for you to tempt me!
你诱惑我是没有用的！
现在流眼泪也没用了。
It's useless to regret what has been done.
对已经做过的事后悔是没有用的。
I soon became aware that campaigning is useless.
我很快就意识到，在公司倡导（创新）是没用的。
It's useless to fire away with such trivial details.
喋喋不休地谈这些琐碎细节是无用的。
It's not that measures such as London's Ulez are 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。
I think that what compulsory voting would lead to would be useless votes.
我认为强制投票将产生许多无用的选票。
She knew it was useless to say that he had let many spring cleaning times pass.
她知道说许多次春季大扫除他都没有来许多次春季大扫除是没有用的。
Today almost everyone has a smart phone, booths are out of date and seem to be useless.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。
Silent genes accumulate random mutations, they reasoned, eventually rendering them useless.
他们推断，沉默基因积累随机突变，最终使它们变得无用。
Just the useless pieces, as I'm planning to purchase new set from Italy for the sitting room only.
只是一些没用的东西，因为我正打算从意大利买一套仅用于客厅的新家具。
"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。”
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。
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。
Any preserves we set up to protect endangered species may become useless as the species are forced to migrate along with their natural homes.
我们为保护濒危物种而建立的任何保护区都可能变得毫无用处，因为这些生物被迫随着它们的自然栖息地迁移。
It's useless worrying about it.
为这事担心无济于事。
It's useless for us to continue.
我们继续做下去也无用。
He knew it was useless to protest.
他知道抗议是徒劳的。
The measures were decried as useless.
这些措施受到指责，说是不起作用。
我的法语不太行。
I was conned into buying a useless car.
我上当受骗买了辆不能用的汽车。
It is useless to speculate why he did it.
对他为什么这么做妄加猜测毫无用处。
The glue's useless—the pieces just won't stick.
这种胶不行—这几片东西根本粘不住。
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。
When it comes to getting things done, he's useless.
一涉及做事，他便不中用了。
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