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TOEFL IELTS BNC: 4667 COCA: 5657

useless

Word family 
use·less /ˈjuːsləs/ ●●○ adjectiveadj  
1  USELESSnot useful or effective in any way 无用的；无效的 OPP useful
 The doctor concluded that further treatment would be useless.
医生下了结论，进一步治疗是无益的。
 a website full of useless information
充斥着无用信息的网站
virtually/completely/totally etc useless
 Water had got into the radio, and now it was completely useless.
收音机进了水，现在完全不能用了。
useless for
 The land is useless for growing crops.
这片土地种不了庄稼。
it is useless to do something
 It was useless to complain.
抱怨没有用。
worse than useless (=not useful and in fact causing harm or problems) 有害无益
 The map was so out-of-date it was worse than useless.
这地图太老了，用了比没用还糟糕。
2  informalUSELESS unable or unwilling to do anything properly 差劲的，无能的
 Don’t ask Tim to fix it. He’s completely useless.
别叫蒂姆来修理，他根本不行。
—uselessly adverbadv
—uselessness noun [uncountableU]
n COLLOCATIONS
adverbs
completely/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 EnglishBrE (=completely useless)
The vehicle proved quite useless on rocky ground.
pretty/fairly useless
The book is pretty useless for today's students.
verbs
render 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.
phrases
worse than useless (=not useful, and causing harm or problems)
It would be worse than useless to try and complain about him.
Examples from the Corpus
useless• Of course we need to test children's ability, but some of these exams are worse than useless.• There's no point reading the instructions - they're completely useless.• And even as she prayed and wished, she knew, deep inside, that it was all useless.• Had I an opportunity I should have great pleasure in giving you a few hints on this subject which might not be useless.• If the nerve fails to pass on the correct signals, the limb becomes useless.• As a secretary, she was useless.• I tried calling the tax office but they were completely useless.• It's time you traded the car in, before it becomes utterly useless.• I had to remind myself that worrying is a useless activity.• Antibiotics are useless against viral infections such as influenza.• When their job is done they are judged useless, and killed or thrown out.• Numerous studies show that dieting is useless and may even cause weight gain.• The lifejackets turned out to be useless, because they didn't inflate properly.• I kept useless collections of stamps, seashells, postcards, rocks, delighting in their deadly neatness.• Jay's car was 20 years old, and useless for anything but a short journey to the local shops.• That's a nice watch, but it's useless for going underwater.• This book is useless! I can't find any of the information I need.• It was useless now to ask for help from my mother.• a useless piece of information• Despite that military expenditure, there are many situations where the military is useless, says Edward Djerejian.• Jenny decided to say nothing. It was useless to argue.• He knew it was useless to pretend to be innocent.• Presumably, my files will be completely useless to whoever stole them.• It's useless trying to talk to you when you've had a drink.• She gave me a video, but of course it's useless without a player.• It think it would be useless writing to the company -- they haven't even returned my calls.• I feel useless, you know what I mean?
it is useless to do something• It was useless to discuss the finances any further.
use·less adjectiveadj →n COLLOCATIONS1
LDOCE Online
Chinese
Syllable
Corpus
TOEFL IELTS BNC: 4667 COCA: 5657
useless

adjective¹

 1of no use無用VERBS | ADVERB | PREPOSITION VERBS➤be, feel, prove無用；感到徒勞；證明無用◇Her efforts to avoid him proved useless.她怎麼也躲不開他。➤become變得無用▸➤leave sth, make sth, render sth使⋯無用◇The condition rendered her legs virtually useless.這種病使她的雙腿幾乎喪失了功能。ADVERB➤absolutely, completely, entirely, quite, totally, utterly, wholly (especially BrE) 毫無用處；完全用不上▸➤worse than幫倒忙◇A computer program with too many icons is worse than useless.一個圖標太多的計算機程序還不如沒有。➤all but, almost, nearly, practically, virtually差不多無用；實際上無用▸➤largely, mostly基本上無用➤basically, essentially根本無用▸➤fairly, pretty, rather相當無用➤seemingly好像無用▸➤equally同樣無用◇There are two manuals, both of them equally useless.有兩本說明書，都沒有什麼用處。PREPOSITION➤as作為⋯沒有用◇A candle is practically useless as a light source.以蠟燭作為光源實際上沒什麼用。➤for對⋯沒有用◇The land is useless for cattle.這塊地養牛可不行。➤in在⋯方面無效◇This drug is useless in the treatment of patients with AIDS.這種藥對艾滋病患者毫無療效。➤to對⋯無用◇The information was useless to him.這一信息對他毫無用處。
useless

adjective²

 2 (informal) weak/not successful差勁；無能VERBS | ADVERB | PREPOSITION VERBS➤be差勁ADVERB➤absolutely, completely差勁透頂；一無是處▸➤pretty很差勁PREPOSITION➤at不擅長⋯◇I'm pretty useless at this job.這種工作我一竅不通。
TOEFL IELTS BNC: 4667 COCA: 5657
useless adj.
⇨ useless (useless to protest) ⇨ incompetent (useless at French) useless

adjective

useless ♦︎ in vain ♦︎ pointless ♦︎ futile ♦︎ hopeless ♦︎ fruitless ♦︎ vain ♦︎ unusableThese words all describe sth which has no purpose or does not achieve what you want. 这些词均表示无用的、无效的、徒劳的。PATTERNS AND COLLOCATIONS 句型和搭配◆to be useless / pointless / futile / hopeless / fruitless / vain to do sth◆to be useless / pointless doing sth◆a useless / pointless / futile / fruitless exercise◆a futile / hopeless / fruitless / vain attempt◆a futile / fruitless / vain effort◆a hopeless / fruitless / vain task◆a futile / hopeless / fruitless / vain search◆largely useless / in vain / pointless / futile / hopeless / fruitless / vain◆seemingly useless / in vain / pointless / futile / hopeless◆completely useless / pointless / futile / hopeless / unusable◆utterly useless / pointless / futile / hopeless■ useless 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。◆He knew it was useless to protest.他知道抗议是徒劳的。◆It's useless worrying about it.为这事担心无济于事。◆The letter is useless as evidence.这封信作为证据毫无价值。◆The land is useless for cattle.这块地根本不能用来牧牛。◆The drug is useless in the treatment of patients with AIDS.这种药对治疗艾滋病人无效。◆The information was useless to him.这条信息对他来说没有价值。◆The quality ranged from acceptable to worse than useless.质量从尚可到非常糟糕不等。OPP useful ⇨ useful , valuable ⇨ valuable 2 ▸ uselessly

adverb

◆The sail flapped uselessly.帆摆动着，却不起作用。■ in ˈvain

idiom

 (written) not achieving what is needed or wanted; without success 徒劳无功；白费力气◆All their efforts were in vain.他们的所有努力都付诸东流了。◆They tried in vain to persuade her to go.他们极力劝说她去，但枉费了一番口舌。◆She waited in vain for her son to return.她等着儿子归来，但空等了一场。■ pointless having no purpose; not worth doing because there is no hope of success 无意义的；无目标的；不值得做的◆Trying to foresee the future is a pointless exercise.试图预测未来是毫无意义的事。◆It would be pointless for both of you to work on the same thing.你们俩做同一件事是毫无意义的。◆I knew it was pointless expecting him to change his mind.我知道指望他改变主意是徒劳的。OPP worthwhile ⇨ valuable 2 ▸ pointlessly

adverb

◆He would argue pointlessly with his parents.他会无谓地和父母争论。■ futile ˈfjuːtaɪl; NAmE ˈfjuːtl (rather formal) ending in failure; having no effect or purpose 徒然的；徒劳的；无效的◆It was a futile gesture as the real damage had already been done.都已经造成真正的伤害了，做出那种姿态也是枉然。◆Their efforts to revive him were futile.他们努力使他苏醒，但失败了。▸ futility fjuːˈtɪləti

noun

 [uncountable] ◆a sense of futility徒劳感◆the futility of war战争的徒然无益■ hopeless with no hope of success, improvement or of producing useful results 没有成功（或改善）希望的；无望的◆It's hopeless trying to convince her.想说服她简直是徒劳。◆Most students are making good progress, but Michael is a hopeless case.大多数学生都很有进步，唯有迈克尔不可救药。OPP hopeful ⇨ promising ■ fruitless (rather formal) producing no useful results 没有成果的；无成效的；徒然的◆He returned home after weeks of fruitless negotiations.他在进行了数星期毫无成果的谈判后回家了。◆The search proved fruitless.搜查最后只是徒劳。OPP fruitful ⇨ productive ■ vain [usually before noun] (written) not producing the result you want 徒劳的；枉然的；无结果的◆I knocked loudly in the vain hope that someone might answer.我敲门敲得很响，希望有人应声，却是徒然。■ unusable ˌʌnˈjuːzəbl [not usually before noun] in such a bad condition or of such low quality that it cannot be used （破得或差得）不能使用，破烂不堪◆The damage rendered the building unusable.这次破坏使得这栋建筑已无法使用。◆The plutonium is unusable for anything until it is reprocessed.钚这种物质需要经过处理后方可使用。OPP usable ⇨ useful
TOEFL IELTS BNC: 4667 COCA: 5657
useless
Not effective or useful and not working correctly: useless, ineffective, inefficient...
Disadvantages: disadvantage, handicap, limitation...

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