adj.(形容词)

1. 无用的；无价值的
2. 无效的，无济于事的
3. 无益的，无帮助的
4. 无能的，差劲的，不行的，没本事的
5. 不擅长的
6. 身体不舒服的，没精神的

adj.(形容词)

1. 无用的,无价值的,无效的 not of any use or value
2. 差劲的,不怎么样的 weak; incompetent

Adjective:

1. having no beneficial use or incapable of functioning usefully;

   "a kitchen full of useless gadgets"
   "she is useless in an emergency"
   

1.无用的；无价值的
If something isuseless, you cannot use it.

e.g. He realised that their money wasuseless in this country...
他意识到他们国家的货币在这个国家一文不值。
e.g. Computers would beuseless 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.无益的；无效的；不能收到效果的
If something isuseless, it does not achieve anything helpful or good.

e.g. She knew it wasuseless to protest.
她知道抗议是没有意义的。
e.g. ...auseless 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.差劲的；不行的
If you say that someone or something isuseless, you mean that they are no good at all.

e.g. Their education system isuseless...
他们的教育体制真差劲。
e.g. He wasuseless at any game with a ball.
任何球类运动他都玩不好。

4.无能的；无用的
If someone feelsuseless, they feel bad because they are unable to help someone or achieve anything.

useless

e.g. She sits at home all day, watching TV and feelinguseless.
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

1. useless的意思

1. 一无是处：直到新任统帅来到前线,下令撤退. 格兰特把农场换成了圣路易斯城里的一栋房子,和朱丽亚的一位表兄弟一起做房地产经济人,几个月后还是一事无成. 知道他们的人们开始议论,朱丽亚非人,尤里西斯(Ulysses) 应该被称为一无是处(useless) .

It was an intense but useless struggle.

这是一场剧烈而无用的挣扎。

Please cancel the words which are useless.

请把无用的词划掉。

When the umpire says you are out, it is useless to 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。

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。

She tried to work, but it was useless (= she wasn't able to) .

她很想做事，但力不从心。

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。

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。

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

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。

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。

You must obey the rule. It is useless for you to kick against the pricks.

你必须遵守规定, 对抗对你是无益的.

Our car was useless for want of petrol.

由于缺少汽油,我们的汽车派不上用场.

Never inflict useless pain on dumb animals.

切勿给不会说话的动物施加无谓的痛苦.

Don't expend all your time on such a useless job.

不要把时间消耗在这种无用的工作上.

In view of the facts, It'seems useless to continue.

鉴于这些事实, 继续下去似乎是无益的.

This method of working is useless.

这样做没成功的希望.

A well devoid of water is useless.

无水的井没有用途.

I consider it useless discussing the matter with them.

我认为和他们讨论这件事没有用.

His advise is useless to our project.

他的建议对我们的计划没有什么价值.

He spoke calmly to them trying to pour oil on troubled waters but it was useless.

他心平气和地与他们讲话,试图使争吵平息,但这却是徒劳的.

They weeded out useless books from library.

他们从图书室里淘汰无用的书.

He made it a useless attempt to advise her.

他认为试图劝她是无用的.

He tried to varnish over the facts, but it was useless.

他想粉饰事实, 但那是徒劳的.

She judged it a useless attempt to advise him.

她断定,给他提建议是徒劳的.

A car is useless without gasolene.

汽车没有汽油便无用.

用作定语～+ n.

1. He's a useless fellow.
   他是个没用的家伙。

用作表语S+be+～

1. 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。
2. This method of working is useless.
   这样做没成功的希望。

S+be+～+ prep .-phrase

1. He is useless at maths.
   他的数学不好。
2. His advise is useless to our project.
   他的建议对我们的计划没有什么价值。
3. A car is useless without gasoline.
   汽车没有汽油便无用。

～+名词

• useless%20arguing">useless arguing没有用的辩论

副词+～

• useless">absolutely useless纯粹是徒劳
• useless">certainly useless必然是无益的
• useless">completely〔utterly〕 useless全然徒劳无益的
• useless">quite useless完全无用

～+动词不定式

• useless%20to%20try">useless to try企图…是没有用的

动词+～

• useless">feel useless觉得很不舒服

～+介词

• useless%20to%20the%20factory">useless to the factory对工厂无用的
• useless%20without">useless without没有…就没有用了

• We were too late; it was useless to look for work.

  出自：E. Langley

• useless objects known..as doilies.

  出自：G. Greene

• Some bloody useless girl..who doesn't know our system.

  出自：W. Perriam

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。