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IELTS BNC: 986 COCA: 2026

A2 effective; helping you to do or achieve something有用的,有效的;有帮助的

A good knife is probably one of the most useful things you can have in a kitchen.一把好刀应该是厨房里最有用的物件之一。
Do the exercises serve any useful purpose?这些练习有什么用处吗?

More examples

It would be useful to have a secretary to deal with all the paperwork.

A laptop would be really useful for when I'm working on the train.

This booklet provides useful information about local services.

These small village shops serve a very useful purpose.

Many employers consider hands-on experience to be as useful as academic qualifications.

IELTS BNC: 986 COCA: 2026
useful

adjective

VERBS | ADVERB | PREPOSITION VERBSbe, 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ADVERBextremely, 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PREPOSITIONas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 sbto be useful / convenient / handy / great for doing sthuseful / handy / practical tips / hintsto come in useful / handyvery / quite useful / convenient / handy / practical / usable / functionalhighly useful / convenient / practical / functionalextremely 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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