[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]无用的；无价值的 If something is useless, you cannot use it.
[usu v-link ADJ]
He realised that their money was useless in this country...
他意识到他们国家的货币在这个国家一文不值。
Computers would be useless without software writers.
没有编软件的人，计算机就会毫无价值。
uselessly
His right arm hung rather uselessly.
他的右臂无力地耷拉着。
uselessness
The car had rusted almost to the point of uselessness.
这车已经锈得几乎一点用都没有了。
2
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]无益的；无效的；不能收到效果的 If something is useless, it does not achieve anything helpful or good.
[oft it v-link ADJ to-inf]
She knew it was useless to protest.
她知道抗议是没有意义的。
...a useless punishment which fails to stop drug trafficking.
无法制止贩毒活动的无效惩罚
uselessly
Uselessly, he checked the same pockets he'd checked before.
他把先前检查过的那些口袋又查了一遍，毫无收获。
uselessness
...the uselessness of their research.
他们的研究毫无价值
3
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]差劲的；不行的 If you say that someone or something is useless, you mean that they are no good at all.
[oft ADJ at n]
[INFORMAL 非正式]
Their education system is useless...
他们的教育体制真差劲。
He was useless at any game with a ball.
任何球类运动他都玩不好。
4
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]无能的；无用的 If someone feels useless, they feel bad because they are unable to help someone or achieve anything.
She sits at home all day, watching TV and feeling useless.
她整天坐在家里，看着电视，觉得自己一无是处。
uselessness
...the sense of uselessness and the boredom of empty days.
空虚日子里感受到的百无聊赖和烦闷无聊
Oxford
use·less★/ˈjuːsləs; NAmEˈjuːsləs/adjective1★not useful; not doing or achieving what is needed or wanted 无用的；无效的；无价值的◆This pen is useless.这支笔没用了。useless(to do sth) ◆He knew it was useless to protest.他知道抗议是徒劳的。useless(doing sth) ◆It's useless worrying about it.为这事担心无济于事。◆She tried to work, but it was useless (= she wasn't able to).她很想做事，但力不从心。2useless(at sth/at doing sth) ( informal) not very good at sth; not able to do things well 差劲的；不行的；不擅长的◆I'm useless at French.我的法语不太行。◆Don't ask her to help. She's useless.别求她帮忙。她没那个能耐。▶use·less·ly/ˈjuːsləsli; NAmEˈjuːsləsli/adverbuse·less·ness/ˈjuːsləsnəs; NAmEˈjuːsləsnəs/noun[uncountable ]use·less/ˈjuːsləs; NAmEˈjuːsləs/use·less·ly/ˈjuːsləsli; NAmEˈjuːsləsli/use·less·ness/ˈjuːsləsnəs; NAmEˈjuːsləsnəs/
LDC
uselessuse‧less /ˈjuːsləs/ ●●○ adjective
Examples
Thesaurus
Collocations
Phrases
Word family
1not useful or effective in any wayOPP useful: The doctor concluded that further treatment would be useless. a website full of useless informationvirtually/completely/totally etc useless Water had got into the radio, and now it was completely useless.useless for The land is useless for growing crops.it is useless to do something It was useless to complain.worse than useless (=not useful and in fact causing harm or problems) The map was so out-of-date it was worse than useless.2informal unable or unwilling to do anything properly: Don’t ask Tim to fix it. He’s completely useless.—uselessly adverb—uselessness noun [uncountable]COLLOCATIONSadverbscompletely/totally/absolutely useless· The treatment is completely useless.wholly/entirely useless· From his point of view qualifications are wholly useless.virtually/almost/practically useless· These flaws could make the software virtually useless in a business environment.quite useless British English (=completely useless)· The vehicle proved quite useless on rocky ground.pretty/fairly useless· The book is pretty useless for today's students.verbsrender something useless· She has a debilitating condition which renders her legs virtually useless.make something useless· Salt water flooded into the land making it useless for farming.prove useless· Police checkpoints proved useless at stopping the suicide bombers.phrasesworse than useless (=not useful, and causing harm or problems)· It would be worse than useless to try and complain about him.
WDF
useless
[ˈju:sləs]
CET4CET6TEM4
j5727
4341
312
2010
892
463
664
ADJ4984
189088
Spoken:
173824747
无用的(84%)，无效的(16%)
adj.无用的；无效的
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