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use·less 英ˈjuːslɪs美ˈjuslɪsAHDy›sʹlĭs ★★☆☆☆小高四六ＩＴ牛４COCA⁷⁷⁶⁷BNC⁵³⁴⁶iWeb⁴⁹⁸⁴Economist⁶⁵⁸⁴
基本双解英英辨析词源搭配记法近义反义句型例句Thesaurus例句
🪴adj.无用的⁸⁴;无效的¹⁶副词uselessly名词uselessness
失误
adj.形容词
无用的,无价值的,无效的not of any use or value 差劲的,不怎么样的weak; incompetent
Adjective:
having no beneficial use or incapable of functioning usefully;a kitchen full of useless gadgets she is useless in an emergency
adj.形容词
下面两个句子意思相同:It's useless arguing with them. It's useless to argue with them.和他们争论没有意义。词根词缀： -us-用 + -e + -less形容词词尾,否定
用作形容词 adj.
～+名词useless arguing没有用的辩论副词+～absolutely useless纯粹是徒劳certainly useless必然是无益的completely〔utterly〕 useless全然徒劳无益的quite useless完全无用～+动词不定式useless to try企图…是没有用的动词+～feel useless觉得很不舒服～+介词useless to the factory对工厂无用的useless without没有…就没有用了
故事记忆纣王天性 Merciless残忍的迷恋妖狐 Reckless不计后果的引发后患 Endless无穷尽的百姓感到 Hopeless无望的揭杆起义 Doubtless无疑地纣王被困 Helpless无助的悔恨愧疚 Useless无用的民心才是 Priceless无价的钱博士use用处，用途+less形容词后缀，缺乏…的⇒无用的，无效的
参考单词use使用，用处。非常记忆use使用+less较少⇒这个无用的东西使用得较少use用处，用途+less形容词后缀，缺乏…的⇒无用的，无效的。蒋争熟词记忆use用-less无…的⇒无用的；无益的近义词 worthlessineffectivedisadvantageous反义词 useful
用作形容词adj.
用作定语
～+ n.He's a useless fellow.他是个没用的家伙。
用作表语
S+be+～This new secretary is useless and must be dismissed at once.这位新来的秘书真没用,得马上辞退。
This method of working is useless.这样做没成功的希望。S+be+～+ prep .-phraseHe is useless at maths.他的数学不好。
His advise is useless to our project.他的建议对我们的计划没有什么价值。
A car is useless without gasoline.汽车没有汽油便无用。
形容词99%,名词1%
用作形容词It was an intense butuselessstruggle.这是一场剧烈而无用的挣扎。
Please cancel the words which areuseless.请把无用的词划掉。
When the umpire says you are out, it isuselessto argue because his decision is irrevocable.当裁判宣布你出局时，任何辩解都是无效的，因为他的判决不可更改。adj.not working;not valuable
同义词 counterproductive,fruitless,futile,hopeless,idle,impractical,incompetent,ineffective,ineffectual,inoperative,meaningless,no good,pointless,stupid,unproductive,unworkable,worthlessabortive,bootless,disadvantageous,dysfunctional,expendable,feckless,good-for-nothing,impracticable,inept,inutile,nonfunctional,of no use,profitless,purposeless,scrap,unavailable,unavailing,unfunctional,unprofitable,unpurposed,unusuable,vain,valueless,waste,weak
反义词 effective,fruitful,hopeful,meaningful,productive,profitable,sensible,useful,valuable,worthwhilehelpful,usable,working
abortiveadjective failing to achieve a goal
failed,failing,fruitless,futile,ineffective,ineffectualmiscarriedunavailing,unproductive,unsuccessful,vain,worthless
barrenadjective unprofitable
dull,flat,fruitless,futile,lackluster,profitless,stale,uninspiring,unproductive,unrewarding,useless,vain,vapid
crappieradjective poor
cheap,inferior,junky,lousy,shoddy,sub-par,trashy,useless,worthless
crappyadjective poor
cheap,inferior,junky,lousy,shoddy,sub-par,trashy,useless,worthless
crummyadjective lousy
cheap,contemptible,crappy,grotty,inferior,miserable,pathetic,poor,rotten,second-rate,shabby,sub-par,third-rate,useless,worthless
deadadjective not working
barren,bygone,defunct,departed,exhausted,extinct,gone,inactive,inoperable,inoperative,lost,obsolete,spent,stagnant,sterile,still,tired,unemployed,unprofitable,useless,worn,worn-out It is useless to reason with her.
跟她讲道理没用。《21世纪大英汉词典》
The editor killed a few useless lines.
编辑删掉了几行无用的文字。《21世纪大英汉词典》
The fear of being useless, fear of being without money, or the fear of doing something different.
惧怕成为一个没用的人、惧怕没有钱或惧怕做新标新立异的事。 yeeyan
The uploaded data may be useless without this meta information.
没有这个元信息，上载的数据可能会无效。 ibm
Well, this is pretty useless, right?
这个是相当没用的，对不？163
“ It is a very sad thing that nowadays there is so little useless information,” quipped Oscar Wilde in1894. He did not know the half of it.
“这是一件很悲哀的事——如今几乎没有无用的信息，”奥斯卡-王尔德在1894年俏语道。他并不知道其中另外一半的意思。 ecocn
As they did this, they scattered, climbing over the mountains of useless scrap and down into the amphitheatre, where they found themselves forming a huge circle in the middle.
当她们这么做的同时，她们散开来爬上由无用的废料形成的小山，再下到环形剧场，呈一个巨大的圆站在中央。 yeeyan
But without the intelligence these attributes will be useless.
不过如果没有头脑，以上这些属性都将是无用的。 yeeyan
Can you replace useless indexes with indexes that enhance query performance?
你可以使用增强性能的索引替换无用索引吗？ ibm
England may be useless, but they’re not worthless.
英格兰队可能没用，却不是毫无价值。 ecocn
For a completely useless model, the answer would be50%; for a perfect model, the answer would be100%.
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%。 yeeyan
For those in power, this makes history as a discipline not only useless but dangerous too.
对于那些掌权者而言，这样的历史作为一门学科不仅是无用的，同时也是危险的。 ecocn
If I can only find a form by asking for it on a forum, the form is practically useless to me.
如果我只能通过到论坛中提问才能找到某个表单，那它对我来说几乎毫无用处。 ibm
If it turns out to be useless, well, that happens sometimes.
如果结果证明它是无用的，不奇怪，有时会发生这样的事情。 ibm
Is it just me, or is the default installation useless?
只有我出现这种情况，还是缺省安装无用？ yeeyan
Please cancel the words which are useless.
请把无用的词划掉。《21世纪大英汉词典》
Telling someone about their flaws is just useless complaining, unless you tell them how they can improve.
告诉别人他们的缺点只是无用的抱怨，除非你告诉他们可以如何改进。 yeeyan
The operative word in automated testing is automated, and it is useless to automate anything unless you intend to use it often.
自动化测试中最重要的词是自动化，除非您希望经常使用它，否则自动化任何事情都是无用的。 ibm
There is much pleasure to be gained from useless knowledge.
从无用的知识之中可以得到那么多乐趣。 yeeyan
They are all putting out useless attitudes.
他们都在向外界发出无用的态度。 yeeyan
They wrote his suggestion off as a useless idea.
他们把他的建议看做是无用的想法。《21世纪大英汉词典》
This sort of ambiguity is worse than useless, since it encourages you to do incorrect work.
这种不明确性比无效更糟，因为它促使您做一些不正确的工作。 ibm
We generally think the value of information is based on its accuracy, and will assume inaccurate information is useless.
我们一般是根据信息的正确性来考虑信息的价值，认为不正确的信息是没用的。 ibm
What this means is that while getting tons of traffic is good, the traffic is useless if none of them end in conversions.
这意味着获取无限的流量是件好事儿，可如果流量最终都没有转化它们就是一点用处都没有。 yeeyan
When Grethel heard this she began to cry bitterly; but it was all useless, she was obliged to do as the wicked witch told her.
当格雷特听到这些她开始悲伤的哭泣；但是这些都没有用，她被迫去做邪恶的巫婆让她做的事情。 yeeyan
You can exploit this power to avoid useless and resource- consuming SQL queries sent to the database.
您可以利用这个能力避免把无用的、耗费资源的 SQL查询发送到数据库。 ibm |