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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
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