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IELTS BNC: 986 COCA: 2026

useful

Word family 
use·ful /ˈjuːsfəl/ ●●● S1 W1 adjectiveadj  
USEFULhelping you to do or get what you want 有用的；有益的 OPP useless
 useful information
有用的信息
 A little Japanese can be really useful.
懂一点日语非常有用。
useful for
 The space under the desk is useful for storing CDs.
书桌下面的空间可以用来存放激光唱片。
useful to
 techniques that could be useful to teachers
对教师可能有用的技巧
 Can you come and make yourself useful (=help people to do something)?
你能不能过来帮点忙？
—usefully adverbadv
n COLLOCATIONS
nouns
useful information/advice
She gave me some useful advice.
a useful tip
Their website has some useful tips on selling your home.
a useful way of doing something
Keeping lists of the words you learn is a useful way of remembering vocabulary.
a useful tool
The Internet is a useful tool for investors.
a useful contribution
He played well and made a useful contribution to the team’s performance.
verbs
find something useful
Did you find the book useful?
prove useful formal (=be useful)
This equipment could prove useful in testing babies’ hearing.
phrases
it is useful to do something
It is useful to practise in front of an audience.
come in useful (=be useful)
The extra income would come in useful.
make yourself useful (=be helpful)
Don’t just stand there – make yourself useful!
serve a useful purpose/function (=be useful)
Sending her to prison would serve no useful purpose.
 THESAURUS
useful something that is useful makes it easier for you to do something 有用的，有益的
He gave me some useful advice.
他给了我一些有用的建议。
a useful thing to know
知道了会很有用的事
handy informal useful – used especially about something that is convenient and easy to use 〔尤指使用简便的事物〕有用的
a handy little booklet
一本有用的小册子
The book is full of handy hints.
这本书里都是有用的建议。
I always keep old jars – you never know when they might come in handy (=be useful).
我总是留着旧罐子——说不定哪天就能用上。
helpful useful because it helps you to do something 有用的；有帮助的
This drug can be helpful in treating depression.
这种药对治疗抑郁症有帮助。
helpful advice
有用的忠告
helpful suggestions
有用的建议
of use [not before noun] if someone or something is of use, they are useful for you when you are doing something 有用的
I hope you’ll find the book of use.
我希望你觉得这本书有用。
He wants to be of use.
他希望自己是个有用的人。
worthwhile if doing something is worthwhile, it is useful for you and you benefit from doing it 有用的；值得做的
The training was certainly worthwhile.
培训当然有用。
a worthwhile experience
有益的经历
nIt is worthwhile to start by asking ourselves why people get involved in crime.
very useful 非常有用的
valuable very useful in helping you do something 有价值的
His information was very valuable to the police.
他提供的信息对警方很有价值。
The course was a valuable experience for me.
参加这门课程对我来说是一段很宝贵的经历。
a valuable contribution
宝贵的贡献
invaluable extremely useful in helping you do something 极有用的，极宝贵的
His help was invaluable.
他的帮助极有价值。
The drug could be invaluable for treating cancer patients.
这种药对于治疗癌症病人可能极有价值。
nan invaluable experience
indispensable someone or something that is indispensable is so useful and important that you cannot do something without them 必需的，不可或缺的
For walkers, a good compass is indispensable.
对徒步者来说，好的指南针是必备的。
He became an indispensable part of the team.
他已成为队中不可或缺的一员。
nan indispensable guide to travelling in Italy
be great for something informal to be very useful for doing something 对某事物极为有用
The bag is great for taking on holiday.
这包度假时很有用。
Examples from the Corpus
useful• For parts, he scrounged around various offices and supply rooms, scavenging what seemed useful.• See page 35 for a list of useful addresses.• The bank gave us a lot of useful advice about starting our own business.• The legal knowledge was useful, and the degree and license another step forward, but practicing law was not his ambition.• Investigators have not found any useful clues in the case.• Often a single chemical reaction is not sufficient to synthesize a useful end-product.• Yes, those ladies had given a useful fillip to his prestige.• Scotch tape is very useful for making quick repairs.• This equipment will prove useful in testing premature babies who we suspect might have hearing problems.• Other useful information is also given at the back of the book.• It is useful to minimize the reminders and lectures.• And a big stick comes in useful too.
useful to• They are working to develop technology that is useful to farmers.
use·ful adjectiveadj →n COLLOCATIONS1 →THESAURUS1
LDOCE Online
Chinese
Syllable
Corpus
IELTS BNC: 986 COCA: 2026
useful

adjective

VERBS | ADVERB | PREPOSITION VERBS➤be, look, prove, seem有用；看起來可用；證明有用；好像有效▸➤become變得有用▸➤make yourself做有用的人◇She told Fred to make himself useful.她告訴弗雷德做些有價值的事。➤consider sth, find sth認為／覺得⋯有用◇some leaflets which you might find useful一些你可能覺得有用的傳單ADVERB➤extremely, fairly, very, etc.極其／相當／非常有用▸➤enormously, especially, exceptionally, highly, immensely, incredibly, more than (informal) , particularly, terribly, tremendously非常有益；特別有用；格外有幫助；極其有用◇She has made an exceptionally useful contribution to the debate.她為辯論作出了極大貢獻。➤genuinely, truly的確有幫助◇It needs to give more information to be truly useful.要想真的派上用場，還需要提供更多信息。➤increasingly越來越有用▸➤equally同樣有用◇The same information is equally useful when negotiating.這條信息在談判中也同樣有用。➤generally, universally普遍有用◇This method has proved the most generally useful.結果證明這種方法應用範圍最廣。➤potentially可能有用▸➤practically實用◇The subject is practically useful and will stand you in good stead when looking for a job.這個學科很實用，對你日後找工作有利。➤certainly, undoubtedly毫無疑問是有用的◇an undoubtedly useful skill肯定有用的技術➤economically, politically, socially對經濟／對政治／對社會有用◇to provide rewarding and socially useful employment提供有價值及對社會有用的工作PREPOSITION➤as作為⋯有用◇It was useful as a short-term measure.作為短期措施它是有用的。➤for對⋯有用◇This tool is useful for a variety of purposes.這個工具是多用途的。◇Internet booking is useful for people who want a short break.網上預訂對需要短期度假的人有用。➤in在⋯方面擅長◇She was very useful in dealing with foreign visitors.她很善於同外國訪客打交道。➤to對⋯有幫助◇information which will be useful to new mothers會對新手媽媽有幫助的信息
IELTS BNC: 986 COCA: 2026
useful

adjective

useful ♦︎ convenient ♦︎ handy ♦︎ practical ♦︎ usable ♦︎ great for sth ♦︎ of use ♦︎ functionalThese words all describe sth which helps you do sth or is suitable for a particular purpose. 这些词均表示有用的、有帮助的、适用的。PATTERNS AND COLLOCATIONS 句型和搭配◆to be useful / of use to sb◆to be useful / convenient / handy / great for doing sth◆useful / handy / practical tips / hints◆to come in useful / handy◆very / quite useful / convenient / handy / practical / usable / functional◆highly useful / convenient / practical / functional◆extremely useful / convenient / practical■ useful that can help you to do or achieve what you want 有用的；有益的；有帮助的◆a useful book / gadget有用的书／小器具◆It can be useful to write a short summary of your argument first.先把你的论点简要地总结一下写下来，可能会有帮助。◆He might be useful to us.我们也许用得上他。◆Don't just sit watching TV－make yourself useful!别光坐着看电视，帮一下忙吧！◆Some products can be recycled at the end of their useful life.有些产品过了有效使用期限后是可以回收再利用的。OPP useless ⇨ useless ▸ usefully

adverb

◆The money could be more usefully spent on new equipment.这笔钱用在新设备上可能更有价值。■ convenient useful, easy or quick to use or do 实用的；便利的；省事的◆A bicycle is often more convenient than a car in towns.在城镇骑自行车往往比开车更方便。◆It is very convenient to pay by credit card.用信用卡付账非常方便。◆Fruit is a convenient source of vitamins and energy.水果是维生素和能量的便利来源。◆ (disapproving) He used his wife's birthday as a convenient excuse for not going to the meeting.他说要给妻子过生日，利用这个凑巧的借口就不去参加会议了。▸ conveniently

adverb

◆The report can be conveniently divided into three main sections.这份报告可以很方便地划分为三个主要部分。■ handy (informal) convenient to use 易使用的；便利的◆The introductory booklet contains some handy tips for getting started.这本入门小册子里有一些如何上手的小窍门儿。◆Take your penknife－you never know when it might come in handy (= be handy).带上你的小折刀，说不定什么时候会用得到。■ practical (of things) useful or suitable for a particular situation （东西）有用的，适用的◆It's a practical little car－ideal for the city.那是很实用的小车，非常适合在城市里开。◆Travel by boat was often faster and more practical than travel along the primitive roads.乘船旅行往往比沿着简陋的公路旅行更快捷、更实际。■ usable that can be used; in good enough condition to be used 能用的；可用的；适用的◆How can we display this data in a usable form?我们如何把这些数据以实用形式展示出来呢？◆Take my bike－it's rusty, but it's perfectly usable.用我的自行车吧，虽然生锈了，但骑起来完全没问题。 OPP unusable ⇨ useless ■ great for sth

phrase

 (informal, especially spoken) very suitable or useful for sth 很适合的；（对⋯）很有用的◆This gadget's great for opening jars.这小玩意儿开广口瓶好使得很。◆Try this cream－it's great for spots.试试这种乳霜吧，对消除皮肤斑点挺有效的。■ of use

idiom

 (formal) useful 有用；有帮助◆Can I be of any use (= can I help)?有什么要我帮忙的吗？◆Your suggestion will be kept on file and may be of use should circumstances change.你的建议将存档，若情况有变，也许会有帮助。■ functional practical and useful; with little or no decoration 实用的；重功能轻装饰的◆Bathrooms don't have to be purely functional.浴室不必只讲求实用。◆The office is a functional working area, designed with efficiency in mind.这个办公室是个实用的工作场所，设计时考虑的是效能。
IELTS BNC: 986 COCA: 2026
useful
Useful and effective and working correctly: useful, efficient, effective...
Skilful and able: able, capable, professional...

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