USEFUL1 useful2 extremely useful3 useful only in particular situations4 the quality of being usefulRELATED WORDSoppositeUSELESSsee alsoCONVENIENT1 useful 有用的useful /ˈjuːsfəl/ [adjective]something that is useful makes it easier for you to do something 有用的，有帮助的 See page 35 for a list of useful addresses. 有用地址的清单见第35页。 The bank gave us a lot of useful advice about starting our own business. 银行给了我们很多有关创业的有用建议。useful for (doing) something Scotch tape is very useful for making quick repairs. 透明胶带对于快速修补十分有用。useful to information that may be useful to the enemy 可能对敌人有用的消息useful in (doing) something This equipment will prove useful in testing premature babies who we suspect might have hearing problems. 这台设备将有助于给疑似有听力障碍的早产儿做测试。be of use /biː əv ˈjuːs/ [verb phrase]formalto be useful 【正式】有用 If there are items in the newspaper files which could be of use, please take a copy of them. 如果存档的报纸上有什么有用的条目，请复印一份。be of use to This book will be of use to all teachers. 这本书对所有教师都会有用的。be some/any use Would these computer cleaners be any use to you? 这些电脑清洁剂对你有用吗？be of some usebe fairly useful 有点用处 The information is slightly out-of-date, but it could still be of some use. 这项资料有点过时，但仍有些用处。handy /ˈhændi/ [adjective]informaluseful and easy to use 【非正式】便于使用的，方便的 This handy booklet tells you everything you need to know about getting connected to the Internet. 关于连接互联网的所有须知，这本简便小册子都会告诉你。 a handy chart for converting pounds into kilos 磅与千克的简便转换表handy for (doing) something There's a special brush you can attach to the vacuum cleaner, which is handy for cleaning the stairs. 有一种专门的刷子可以装在真空吸尘器上，清洁楼梯很方便。practical /ˈpræktɪkəl/ [adjective]designed to be useful rather than attractive - use this especially about clothes and things you use in your house 实用的〔尤指服装及家居用品〕 The company specializes in making practical footwear for the leisure sports market. 这家公司专门为休闲运动市场生产实用的鞋类。 a type of floor covering that is simple, practical, and cheap 一种简单、实用、便宜的地板覆盖物be good for (doing) something /biː ˌgʊd fəʳ (ˈduːɪŋ) something/ [verb phrase]especially spokento be suitable and useful for a particular job or purpose 【尤口】对〔做〕某事有用处 The table does take up a lot of space, but it's good for parties. 这张桌子的确占了许多空间，但是聚会时能派上用场。 The big jars are good for storing pasta. 大广口瓶适合存放意大利面食。helpful /ˈhelpfəl/ [adjective]something that ishelpful is useful because it helps you to do something 有用的，有帮助的 I found these cassettes very helpful when I was learning Spanish. 我发现这些磁带在我学习西班牙语时大有帮助。 The Student Cook Book provides basic helpful advice without sounding patronising. 《学生食谱》提供了基本的实用建议，没有显得高不可攀的样子。helpful in doing something The drug Prozac can be helpful in treating anxiety. “百忧解”有助治疗焦虑症。it is helpful to do something I think it would be helpful to summarize what we agreed at the last meeting. 我觉得把上次会议商定的事作一总结是有帮助的。valuable /ˈvæljuəbəl, -jɑbəlǁˈvæljɑbəl/ [adjective]help, advice, knowledge etc that isvaluable is very useful in helping you do something 〔帮助、建议、知识等〕有价值的，很有用的 Joyce gave us a lot of valuable advice when we first started the company. 我们公司才成立的时候，乔伊斯给我们提了许多宝贵的意见。valuable to Your knowledge and experience would be very valuable to us. 你的知识和经验对我们来说非常宝贵。it is valuable for somebody to do something While it is valuable for children to have individual responsibilities, it is also good to share jobs with them. 虽然各负其责对孩子来说是有益的，但与他们一起分担工作也很不错。valuable contribution Nuclear power makes a valuable contribution to the environment by curbing carbon dioxide emissions. 核能抑制二氧化碳的排放，对环境作出了宝贵的贡献。be worth it /biː ˈwɜːʳθ ɪt/ [verb phrase]use this to say that something you do has a useful result 值得 I didn't bother looking at the instructions -- I didn't think it was worth it. 我没有费心看使用说明—我觉得看了也没有用。be worth doing/trying etcused especially to suggest doing something 值得一做/一试等 It may be worth putting an advertisement in the local paper. 也许值得在当地报纸上登广告。2 extremely useful 极有用的invaluable /ɪnˈvæljuəbəl, -jɑbəlǁɪnˈvæljɑbəl/ [adjective] This book has been invaluable as a source of teaching materials. 这本书一直是极其宝贵的教学材料。 Contact with Western medical techniques proved invaluable, and the student doctors have benefited greatly. 与西方医学技术接触证明非常有价值，实习医生大大受益。invaluable to Margaret's sensible suggestions have been invaluable to us. 玛格丽特的合理建议对我们来说非常宝贵。invaluable for/in doing something Improved sewage and water services were invaluable in preventing disease. 污水处理和供水情况的改善对防止疾病无比重要。indispensable /ˌɪndɪˈspensəbəl/ [adjective]someone or something that isindispensable is so useful and important that you cannot do something without them 必须的，不可或缺的 For mountain-climbing a really good sleeping-bag is indispensable. 优质的睡袋对于登山是必不可少的。 She soon became an indispensable member of staff. 她很快就成为一名不可或缺的员工。indispensable to A knowledge of classical music is indispensable to anyone who wants to apply for this job. 对于希望申请这份工作的人来说，古典音乐的知识是必不可少的。can't do/manage without /ˌkɑːnt duː, ˌmænɪdʒ wɪðˈɑʊtǁˌkænt-/ [verb phrase]spokenuse this about someone or something that is so useful that it would be very difficult to do something without them 【口】不可缺少，没有…不行 Of course we all have concerns about the environment but you can't do without a car out here in the countryside with no public transport. 当然，我们都关心环境，但是在这个没有公共交通的郊野地区，没有汽车根本不行。 Top TV chef Billy Williams says he couldn't manage without his food processor: ‘It cuts down preparation time by about half and saves you all those fiddly tasks.’ 首屈一指的电视大厨比利·威廉姆斯说，他少不了食品加工机：“它能节省约一半的准备时间，并省却那些琐碎事。”3 useful only in particular situations 仅在特定场合有用的come in handyinformalalsocome in usefulBritish informal /ˌkʌm ɪn ˈhændi, ˌkʌm ɪn ˈjuːsfəl/ [verb phrase]something thatcomes in handy is not always necessary, but is good to have because it can be very useful in particular situations 早晚派上用场，用得着 My knowledge of Spanish came in handy when the car broke down near Madrid. 汽车在马德里附近抛锚的时候，我的西班牙语知识就派上用场了。 Sometimes there are problems that are too big for you to sort out on your own. That's when professional advice comes in useful. 有时问题大得自己解决不了，这时候专家意见就有用了。come in handy for (doing) something A hacksaw always comes in handy for cutting plastic pipes. 切割塑料管子时，钢锯总是派得上用场。come in handy as I suppose you thought I might come in useful as a translator. 我想你觉得我也许会派上用场做个翻译。have its uses /ˌhæv ɪts ˈjuːsz/ [verb phrase not in progressive]informaluse this to say that something is more useful than it seems 【非正式】自有其用处〔表示某物比看上去要有用〕 This typewriter may be old, but it has its uses. 这台打字机可能旧了，但还是有它的用处。 A knowledge of Latin can have its uses -- for instance, it can help you if you are learning Italian. 懂拉丁文是有用处的—比方说，你学意大利语就能派上用场。4 the quality of being useful 用处usefulness /ˈjuːsfəlnɪs, ˈjuːsfəlnəs/ [uncountable noun] Statistics have some usefulness in the study of public health issues. 统计学在研究公共卫生问题上是有一定用处的。outlive its usefulnessnot be useful any more 不再有用 We are beginning to think that this factory has outlived its usefulness as our main supplier. 我们开始觉得，这家工厂已经不能再作为我们的主要供应商了。utility /juːˈtɪlɪti, juːˈtɪləti/ [uncountable noun]formalhow useful and effective something is 【正式】效用，实用 Demonstrations allow customers to get an immediate idea of a product's utility. 演示可以让顾客立即了解产品的用途。 I have severe doubts about the utility of examinations on subjects which have been learned parrot-fashion. 那些鹦鹉学舌般学习的科目，我对它们的考试效用深感怀疑。