useful

US [ˈjusf(ə)l]
UK [ˈjuːsf(ə)l]
  • adj.有用的；有益的；实用的；有帮助的
  • Web具利用价值；有用性；有效的

Coll.

Synonym

Antonym

Advanced E-C

E-C

E-E

Web Definition

Useful
adj.
1.
有用的；有益的；实用的；有帮助的that can help you to do or achieve what you want
a useful gadget
有用的小器具
It can be useful to write a short summary of your argument first.
先把你的论点纲要写下来可能会有帮助。
He might be useful to us.
我们也许用得上他。
These plants are particularly useful for brightening up shady areas.
这些植物特别有助于让背阴的地方明亮起来。
Don't just sit watching television─ make yourself useful !
别光坐着看电视，帮一下忙吧！
This information could prove useful .
这条信息往后也许有用。
Your knowledge of German may come in useful(= be useful in a particular situation) .
你的德文知识可能会派上用场。
Some products can be recycled at the end of their useful life.
有些产品过了有效使用年限后是可以回收再利用的。
2.
(informal)
好的；合格的good; of the right standard
He's a very useful player.
他是个很棒的运动员。

Sample Sentence

Definition:
AllAll,有用的有用的,有益的有益的,实用的实用的,有帮助的有帮助的,具利用价值具利用价值,有用性有用性,有效的有效的
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
This probably would not be very useful as it would only be possible to everaccess one cache at a time.
这可能并不是很有效，因为在同一时间只有可能存取一个缓存。
zhè kě néng bìng bú shì hěn yǒu xiào , yīn wèi zài tóng yì shí jiān zhǐ yǒu kě néng cún qǔ yī gè huǎn cún 。
zhidao.baidu.com
2.
Different laptops may respond to 'standby' in different ways - in many it is only a temporary state and may not be useful for you.
不同的笔记型电脑有不同的「待机」方式-多数情况下只是一个临时状态，不一定对您有用。
bù tóng de bǐ jì xíng diàn nǎo yǒu bù tóng de 「 dài jī 」 fāng shì - duō shù qíng kuàng xià zhǐ shì yī gè lín shí zhuàng tài , bù yí dìng duì nín yǒu yòng 。
translations.launchpad.net
3.
And this model is going to be very, very useful for a lot of the things that we'll treat.
这个例子非常有用，他会对我们研究其他东西有所帮助。
zhè ge lì zǐ fēi cháng yǒu yòng , tā huì duì wǒ men yán jiū qí tā dōng xi yǒu suǒ bāng zhù 。
open.163.com
4.
Like an entertaining satire, the plot and characters of that report offer useful material for contemplation.
像娱乐性讽刺一样，报道的情节和角色提供了很好的使人深思的材料。
xiàng yú lè xìng fěng cì yí yàng , bào dào de qíng jié hé jué sè tí gōng le hěn hǎo de shǐ rén shēn sī de cái liào 。
bbs.putclub.com
5.
It is often useful to recognize a particular pattern in text and mark it up.
识别文本中的特定模式并进行标记通常十分有用。
shí bié wén běn zhōng de tè dìng mó shì bìng jìn xíng biāo jì tōng cháng shí fēn yǒu yòng 。
www.ibm.com
6.
Based on what you know of the job market, which of your courses were the most useful? The least?
根据你的了解，学什么课程对于就业最有用？最没有用的课程是？
gēn jù nǐ de liǎo jiě , xué shén me kè chéng duì yú jiù yè zuì yǒu yòng ? zuì méi yǒu yòng de kè chéng shì ?
musheng.org
7.
When you live a life of deception you get to be very good at it; a well-constructed lie is a lot more useful than the truth.
当你生活在一个被谎言包围的世界中于是你定会非常善于此；一个有着完美构建的谎言往往要比真话有用的多。
dāng nǐ shēng huó zài yī gè bèi huǎng yán bāo wéi de shì jiè zhōng yú shì nǐ dìng huì fēi cháng shàn yú cǐ ; yī gè yǒu zhe wán měi gòu jiàn de huǎng yán wǎng wǎng yào bǐ zhēn huà yǒu yòng de duō 。
article.yeeyan.org
8.
But I gave it a chance, because smart people who I trusted told me that it's very useful.
但是我给了它一次机会，因为我信任的那个聪明的家伙告诉我它很有用。
dàn shì wǒ gěi le tā yī cì jī huì , yīn wèi wǒ xìn rèn de nà ge cōng míng de jiā huo gào su wǒ tā hěn yǒu yòng 。
dongxi.net
9.
However, it is often useful to provide additional constructors.
然而，提供其他构造函数通常十分有用。
rán ér , tí gōng qí tā gòu zào hán shù tōng cháng shí fēn yǒu yòng 。
msdn2.microsoft.com
10.
It could be useful, or at least interesting, to let a utility on my home system keep track of hits to my Web server.
让我的主系统上的某个实用程序跟踪对我的Web服务器的点击率，这可能十分有用，至少非常有趣。
ràng wǒ de zhǔ xì tǒng shàng de mǒu gè shí yòng chéng xù gēn zōng duì wǒ de Web fú wù qì de diǎn jī lǜ , zhè kě néng shí fēn yǒu yòng , zhì shǎo fēi cháng yǒu qù 。
www-128.ibm.com
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