| 单词 | worked |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔BOOKS〕How long have you worked in publishing? 你在出版界工作有多久了?朗文写作活用〔CRUEL〕She quit college and worked as a waitress out of spite towards her parents. 出于对父母的怨恨，她从大学退学，当了侍者。朗文写作活用〔DURING〕Throughout her career she has worked hard and maintained high standards. 她在整个职业生涯都努力工作，并保持着高标准。朗文写作活用〔EARN〕Amir worked as an unpaid informant for the internal security service 阿米尔是国内安全机构不取报酬的线人。朗文写作活用〔INTELLIGENT〕Jerry and Tony had worked out a crafty way of avoiding paying tax. 杰里和托尼想出了一条避税的巧计。朗文写作活用〔LONG〕She worked in the shop for donkey's years, although the pay was awful. 尽管工资低得可怜，她还是在店里工作了很久。朗文写作活用〔MANAGER〕Manley gradually worked her way up, and within ten years became chairwoman of the board. 曼利逐步升职，十年之内就成了董事长。朗文写作活用〔MODEST〕Their father was a genuinely humble man, who had worked hard for his family all his life. 他们的父亲是个十分谦虚的人，一辈子都在为全家人辛勤工作。朗文写作活用〔MORE〕We tried to calculate the effect of a higher minimum wage on employment and hours worked. 我们想计算出更高的最低工资对就业及工作时间的影响。朗文写作活用〔NEWSPAPERS〕She worked as a journalist on the New York Times. 她是《纽约时报》的记者。朗文写作活用〔PAINT〕Adolf Hitler worked as a house painter in Austria before becoming involved in politics. 阿道夫·希特勒涉足政界前在奥地利当房屋油漆匠。朗文写作活用〔PLAN〕The killer, whoever he was, had it all worked out. 不管凶手是谁，他都是事先精心准备过的。朗文写作活用〔PRAISE〕She is modest and generous, lavishing praise on the musicians she has worked with. 她谦虚、宽厚，对共事的乐师大加赞扬。朗文写作活用〔SAD〕Having worked so hard to start the business, it would be heartbreaking to see it all collapse. 这么辛苦创立的公司，眼巴巴地看着它倒闭，真叫人心痛啊。朗文写作活用〔SEPARATE〕He took the toy to pieces to find out how it worked. 他把玩具拆开来研究它是如何操作的。朗文写作活用〔SUCCEED/SUCCESSFUL〕Gail seemed so anxious to do well, and she worked really hard. 盖尔似乎很想干出点成绩来，所以她工作十分努力。朗文写作活用〔TAKE〕I worked as an usher at the local cinema during the holidays. 放假期间，我在当地的电影院里当引座员。朗文写作活用〔TIME〕After a stint in the army, Bill worked in sales. 服了一段时间的兵役后，比尔从事销售行业。朗文写作活用〔UNKIND〕He was mean to those who worked for him and generous to those who he hardly knew. 他对手下很刻薄，但对几乎不认识的人却很慷慨。朗文写作活用〔VARIOUS/OF DIFFERENT KINDS〕A motley bunch of students, ex-convicts and unemployed artists worked together to repair the building. 学生、坐过牢的人和失业的艺术家等一伙杂七杂八的人一起修理那幢大楼。朗文写作活用〔WITH/TOGETHER〕Soldiers worked side by side with civilians to rebuild the city. 军民合作，共同重建这座城市。朗文写作活用〔WITH/TOGETHER〕The police and army worked together to track down the terrorists. 警方与军队合作追捕恐怖分子。朗文写作活用〔WORK FOR SB〕How long have you worked for Mr Jackson? 你为杰克逊先生工作有多长时间了？朗文写作活用〔WORK HARD〕His mother had had a hard life - had worked her fingers to the bone bringing up six children. 他妈妈日子过得很苦一拼命干活养活六个孩子。朗文写作活用〔WORK〕Five mornings a week, she worked on campus. 她一周有五个上午在校园里干活。朗文写作活用〔across〕His top teeth worked across the lower lip.他的上齿使劲咬着下唇。英汉大词典〔after〕After leaving school, Mackay worked in a restaurant for a year.中学毕业后，麦凯在一家餐馆工作了一年。朗文当代〔all〕I've worked hard all day [night] (long).我整天[夜]都在努力工作。文馨英汉〔anchor〕He worked in the news division of ABC – he was the anchor of its 15-minute evening newscast.他供职于美国广播公司的新闻部, 是15分钟晚间新闻节目的主播。外研社新世纪〔beat〕Bob has worked as an officer on this particular beat for 20 years.鲍勃在这个区域已经当警官巡逻了20年。剑桥高阶〔begrudge〕She's worked hard to get where she is. You shouldn't begrudge her the success she's earned.她是通过努力奋斗才取得现今的成就的，你不应该忌妒她。韦氏高阶〔belong〕I worked there for five years but never really felt I belonged.我在那里工作了五年，但是一直适应不了。朗文当代〔bottom〕He had worked in the theatre for many years, starting at the bottom.他从最基础干起, 已经从事戏剧工作很多年了。外研社新世纪〔break〕They worked through the night without a break.他们连续工作了一个晚上。剑桥高阶〔claim〕You should claim compensation for the hours you worked.你应该索要你那几个小时的工作报酬。韦氏高阶〔click〕I worked on the problem for days, until finally one day something clicked and I knew what I had to do.我好几天都在考虑这个问题，终于有一天豁然开朗，知道该怎么做了。韦氏高阶〔clock〕Rescuers worked around the clock to free people trapped in the wreckage.救生员日夜奋战，解救困在沉船里面的人们。麦克米伦高阶〔close〕We worked under the close supervision of a trained professional.我们在一位训练有素的专业人士的细心指导下工作。韦氏高阶〔collaborative〕He was not the kind of artist who worked collaboratively.他不是那种善于与人合作的艺术家。柯林斯高阶〔common denominator〕The common denominator was that we had all worked for the same company.共同点是我们都曾为同一家公司工作。剑桥高阶〔confidential〕She worked as a confidential secretary to the mayor for many years.她曾多年担任市长的机要秘书。韦氏高阶〔contrariwise〕It worked contrariwise—first you dialled the number, then you put the money in.这部电话的操作方式相反，要先拨号码，然后投入钱币。牛津高阶〔cost〕He worked non-stop for three months, at considerable cost to his health.他连续不断地工作了三个月，大大损害了自己的身体健康。牛津高阶〔counter〕Mary worked behind the counter at Bacon's for a few hours a week.玛丽每周在培根酒吧当几个小时的吧台服务员。牛津搭配〔courier〕He worked as a motorcycle courier.他的工作是开摩托车送专递。外研社新世纪〔deal with〕When I worked in Florida I dealt with British people all the time.在佛罗里达工作时，我总与英国人有生意往来。柯林斯高阶〔dealer〕He worked at the casino as a card dealer.他在一家赌场当发牌员。外研社新世纪〔deflated〕Like any actor he can be self-centred but I think I've worked out how to deflate him.跟其他演员一样，他有时也会以自我为中心，但我想自己已经找到了如何挫他锐气的办法。柯林斯高阶〔detail〕We haven't yet worked out the travel details.我们尚未确定旅程中的一些细节问题。牛津搭配〔disrespect〕No disrespect to Julie, but this department worked perfectly well before she started here.我并不是要贬低朱莉，但该部门的工作在她来之前一直都很顺利。剑桥高阶〔distant〕He remained distant from the people he worked with.他对同事们始终敬而远之。英汉大词典〔distraction〕He worked without distraction.他心无旁骛地工作。韦氏高阶〔double-quick〕Everybody worked double-quick at the task.每个人都以极快的速度干这项工作。英汉大词典〔downtown〕By day he worked downtown for American Standard.白天他在市中心为美标公司工作。柯林斯高阶〔downtown〕By day he worked downtown.他白天去市中心工作。外研社新世纪〔editor〕She had worked at 20th Century Fox as a film editor.她曾是二十世纪福克斯电影公司的电影剪辑师。外研社新世纪〔endear〕She was a talented teacher who endeared herself to all who worked with her.她是一位深受同事喜爱的有才华的教师。牛津高阶〔energetically〕He had worked energetically all day on his new book.他一整天都劲头十足地写他的新书。外研社新世纪〔enormously〕She worked enormously hard on the project.她为了这个项目拼命工作。剑桥高阶〔euphemism〕The poison of euphemism has worked through our language into our national consciousness.委婉表达法的毒素已经透过语言进入了我们的民族意识之中。外研社新世纪〔evenings〕He worked evenings in the drugstore.他晚上在杂货店里工作。英汉大词典〔explain〕She explained how the machine worked.她讲解了这台机器的工作原理。韦氏高阶〔familiar〕Lesinko is quite familiar with Central Television. He worked there for 25 years.莱辛科对中央电视台相当熟悉。他在那儿工作了25年。柯林斯高阶〔finish〕I have worked for the firm all these years and I intend to be there at the finish.这些年我一直在这家公司干, 我想在这儿干到退休。外研社新世纪〔flat〕When the entire class worked together they finished the project in no time flat.待全班学生一起动手干起来,这个项目很快就完成了。英汉大词典〔flounder〕I was floundering. I worked in a number of jobs. I had no direction in my life当时我只是在混日子。我换过好多工作, 生活没有明确的方向。外研社新世纪〔formerly〕He formerly worked for this company.他以前是本公司的职员。文馨英汉〔form〕Tom worked to improve his form in diving.汤姆努力改进跳水的姿势。英汉大词典〔fruit〕The team have really worked hard and Mansell is enjoying the fruits of that labour.这支队伍真正付出了辛劳，而曼塞尔正在享受着这种辛劳的成果。柯林斯高阶〔furious〕We worked all night at a furious pace.我们整晚都在拼命工作。韦氏高阶〔game〕He worked in the building game all his life.他在建筑行业干了一辈子。麦克米伦高阶〔get your feet wet〕I worked as a substitute teacher for a while, just to get my feet wet.我做了一段时间代课老师，用来熟悉情况。剑桥高阶〔get〕She worked all afternoon on the car but never got it running.她一下午都在修车，但还是没把它弄好。麦克米伦高阶〔guts〕I worked my guts out getting my degree.我拼命学习，攻读学位。麦克米伦高阶〔hard〕The Chinese team have worked very hard to get this far in the competition.中国队努力拼搏，才在比赛中取得这样的成绩。麦克米伦高阶〔heel〕Whenever she wore heels she was taller than the men she worked with.她穿上高跟鞋比男同事都高。朗文当代〔hell〕She worked like hell for her exams.她为了考试而拚命复习。牛津高阶〔house〕Some members of the House and Senate worked all day yesterday.一些众议员和参议员昨天工作了整整一天。柯林斯高阶〔impressed〕I had always impressed upon the children that if they worked hard they would succeed in life.我总让孩子们牢记努力工作就会成功。柯林斯高阶〔in relays〕They worked in relays to clear the rubble.他们轮班清理碎石。韦氏高阶〔ineligible〕He was declared ineligible for the competition because he worked for the company that ran it.他被宣布没有资格参赛，因为他是该比赛主办公司的工作人员。剑桥高阶〔information〕For your information, I've worked as a journalist for six years.不妨告诉你一下，我做记者已有六年了。朗文当代〔invigilator〕He has worked as an exhibition invigilator.他曾做过展会监管员。外研社新世纪〔inwrought〕Having a decorative pattern worked or woven in.织有图案的，镶有图案的：带有织入或镶入的装饰性图案的美国传统〔joint〕The report was a joint effort(= we worked on it together).这个报告是大家共同努力的成果。牛津高阶〔land〕His family had always worked the land.他家过去一直务农。牛津搭配〔late〕We worked late into the night.我们工作到深夜。英汉大词典〔laundry〕He worked in the laundry at Oxford prison.他在牛津监狱的洗衣房工作。外研社新世纪〔let〕You've worked hard all week, so I'll let you off today.你一个星期都很卖力，所以今天我就放你假。朗文当代〔light〕He has worked hard in recent months to portray the city in a better light.近几个月来他努力从更好的角度描绘这座城市。外研社新世纪〔living〕However hard they worked to scrape out a living, they would always be poor.勉强维持生计麦克米伦高阶〔long〕It's a long time since I worked there.我不在那里工作已经很久了。剑桥高阶〔look〕He had worked hard and was looking forward to his retirement.他一直努力工作，盼望着自己退休的那一天。麦克米伦高阶〔man and boy〕From 1910 to 1970 he worked in that factory, man and boy.从1910年到1970年，他一生都在那家工厂工作。剑桥高阶〔maniac〕I worked like a maniac.我疯狂工作。外研社新世纪〔mask〕She wore a mask and rubber gloves while she worked with the samples.她在处理这些样本时戴上了面具和乳胶手套。外研社新世纪〔mathematics〕He worked out the very difficult mathematics in great detail.他详细地解答了那些很难的运算。牛津高阶〔mine〕They worked in diamond and uranium mines.他们在钻石矿和铀矿工作过。文馨英汉〔miscount〕He often miscounts in figuring the number of hours he has worked.他计算自己的工作时数时常常出错。英汉大词典〔money〕He made good money when he worked.他工作时赚了一大笔钱。外研社新世纪〔mystery〕The way her mind worked was always a mystery to him.她脑子里在想些什么对他来说始终是个谜。朗文当代〔neglect〕He'd given too much to his career, worked long hours, neglected her.他为事业付出太多, 一天到晚地工作, 冷落了她。外研社新世纪〔odd〕He's worked there for twenty-odd years.他在那里工作了二十多年。牛津高阶〔off-site〕A small team worked off-site on the project.一个小组在外面做这一项目。朗文当代〔oil〕A crew of assistants oiled and adjusted the release mechanism until it worked perfectly.一班助手给排放装置加润滑油并作调试，直到其达至理想工作状态。柯林斯高阶〔optimistic〕She is optimistic that an agreement can be worked out soon.她对很快达成协议持乐观态度。外研社新世纪〔other〕He moved to England where, among other things, he worked as a journalist.他移居英格兰, 干过不少工作, 包括做记者。外研社新世纪〔overtime〕We had to battle very hard and our defence worked overtime to keep us in the game.为保证我们不被淘汰出局, 我们不得不奋力搏杀, 防守队员拼尽了全力。外研社新世纪〔pair〕We worked in pairs for the role-play exercise.我们两个一组地进行角色扮演练习。朗文当代〔part〕In the early part of his career he worked in India.他早先的职业生涯是在印度度过的。牛津搭配〔pay cheque〕They've worked for about two weeks without a paycheck.他们已经工作了两个星期左右，却没有拿到一点儿薪水。柯林斯高阶〔penalty〕Nuclear deterrence has worked, and will continue to work because the penalties of failure are so high.核威慑起了作用, 而且还会继续起作用, 因为核摧毁带来的灾难太大了。外研社新世纪〔progression〕By a logical progression of thought, she worked out why the remark was considered offensive.通过一步步的逻辑思考，她明白了为什么那番话冒犯了别人。牛津搭配〔provide〕He worked hard to provide for his old age.他努力工作为养老预作准备。英汉大词典〔railway〕Thomas Grant worked on the railway(s) for 50 years.托马斯‧格兰特在铁路系统工作了50年。剑桥高阶〔rank〕Most store managers have worked their way up through the ranks.大多数商店经理都是由普通店员干起，一步步升上来的。柯林斯高阶〔recondition〕He managed to recondition the radio so it worked like new.他设法把收音机修好,所以它像新的一样灵了。英汉大词典〔rehearsal〕The dialogue was worked out by actors in rehearsal.对白是演员在排练时想出来的。朗文当代〔scale〕After ten years, she had worked her way to the top of the pay scale.10 年后，她已拿到了最高级别的薪水。牛津搭配〔seem〕It seems you object to the plan. It seems like rain. He seems to have worked in sales for several years.你好象反对这个计划。好象要下雨。他好象已在销售部工作多年美国传统〔service〕I've worked in public health services throughout my career.我的整个职业生涯是在公共医疗服务系统中度过的。剑桥高阶〔setting〕I've worked with children in various settings, mainly in secondary school.我在许多地方教过儿童，主要是在中学。朗文当代〔shift〕His father worked shifts in a steel mill.他父亲是一家炼钢厂的轮班工人。柯林斯高阶〔smoke〕We haven't worked this long just to see everything go up in smoke.我们干了这么长时间，可不想看到一切都化为乌有。朗文当代〔smoothie〕He's such a smoothie - I just assumed he worked in sales.他那么能说会道——我还以为他是做销售工作的。剑桥高阶〔stress〕We worked on pronunciation, stress and intonation.我们学习了语音、重读和语调。牛津高阶〔stretch〕They worked in four-hour stretches.他们工作四小时一班。牛津高阶〔surrealist〕Dali's shoe hat was undoubtedly the most surrealist idea he ever worked on with Schiaparelli.达利的鞋状帽子无疑是他与夏帕瑞丽合作出的最具超现实主义色彩的创意。柯林斯高阶〔suspend〕The builders worked on wooden platforms, suspended by ropes from the roof of the building.建筑工人站在用绳子从房顶上吊下来的木制平台上作业。剑桥高阶〔team〕We worked as a team to put out the fire.我们齐心协力把火扑灭了。韦氏高阶〔that〕Davis is the most brilliant man that I've ever worked with.戴维斯是与我合作过的最有才气的人。麦克米伦高阶〔the Middle East〕He worked in the Middle East for ten years.他在中东工作了10年。剑桥高阶〔time-tested〕These time-tested methods have worked for farmers for hundreds of years.这些久经考验的方法已被农民们使用了数百年。韦氏高阶〔together〕We worked together on a project a couple of years back.几年前我们一起做过项目。剑桥高阶〔travel agent〕He worked in a travel agent's.他在一家旅行社工作。柯林斯高阶〔unhindered〕He worked unhindered.他的工作不受限制。外研社新世纪〔vigour〕He worked with renewed vigour and determination.他将重燃起来的活力和热情投入到工作中。牛津高阶〔walk〕When Valerie worked late, Carl always walked her home.当瓦莱丽工作到很晚时，卡尔总是步行送她回家。麦克米伦高阶〔way〕He worked [pushed] his way to the front of the crowd.他推进到群众的前头。文馨英汉〔way〕That method hasn't worked, so let's try your way.那个方法没用，所以让我们试试您的方法。剑桥高阶〔well-off〕They worked long hours and became very well off.他们长时间地干活，变得很富有。麦克米伦高阶〔wonderfully〕Things have worked out wonderfully (well).事情的结果很不错。牛津高阶〔work ... off〕The pain worked off because he received timely treatment.由于得到及时治疗，他的疼痛逐渐消失了。21世纪英汉〔work ... over〕The suffering had worked him over inside.他的遭遇彻底改变了他的内心世界。21世纪英汉〔work ... up〕The boy worked up his notes for the test.男孩认真做好笔记以备考试。21世纪英汉〔work farm〕A correctional facility that operates as a farm worked by prisoners.劳改农场：一种由犯人来从事农场工作的改造设施美国传统〔work off〕She worked off her loan.她靠工作还清了贷款。韦氏高阶〔work on〕I worked on this physics problem for three hours.这道物理题我钻研了三个小时。韦氏高阶〔work on〕The director worked on in the office until ten o'clock last night.主任昨晚在办公室工作到十点。21世纪英汉〔work round to〕His tie had worked round to the back of his neck.他的领带渐渐跑到了他的脖子后面。外研社新世纪〔work sb up〕Nationalist speeches worked the crowd up into a frenzy.民族主义者们的演讲把听众的情绪煽动得疯狂起来。剑桥高阶〔work up sth〕We worked up a real appetite climbing in the mountains.我们突然很想爬山。剑桥高阶〔worked up〕He got all worked up over the football game.他为那场橄榄球比赛激动不已。韦氏高阶〔work〕Everything worked very smoothly.一切都进展非常顺利。牛津搭配〔work〕From here, we worked our way carefully across the rock base.我们从这里小心翼翼地穿过岩基。朗文当代〔work〕He worked as a bricklayer's mate.他给瓦工打下手。柯林斯高阶〔work〕He worked out the problems.他把那些问题解出来。文馨英汉〔work〕Her dazzling performance worked its magic on the audience(=had a good effect on them).她那令人眼花缭乱的表演在观众中产生了良好的反响。麦克米伦高阶〔work〕Her lips worked with emotion.她因激动而致双唇抽动。文馨英汉〔work〕His elbow has worked through the sleeve.他的肘把袖子磨穿了。文馨英汉〔work〕Our bombers worked over the enemy advance positions.我方轰炸机炸遍敌人的各前沿阵地。英汉大词典〔work〕People have complained that they are being worked into the ground.人们抱怨工作太辛苦。朗文当代〔work〕She worked as a journalist.她是一位记者。麦克米伦高阶〔work〕She worked her foot into the shoe.她把脚慢慢伸进鞋里。韦氏高阶〔work〕She worked through lunch to get the report done.为了完成报告，她连午餐时间都在工作。韦氏高阶〔work〕She had worked herself up into a state .她把自己弄得很紧张。朗文当代〔work〕She hasn't worked off her debts to me yet.她干的活还没有抵清欠我的钱。朗文当代〔work〕The candidate skillfully worked the huge crowd.候选人巧妙地对大众施加影响。21世纪英汉〔work〕The contract is worked off. 合同已经履行完毕。英汉大词典〔work〕The dust has worked in everywhere.灰尘无孔不入到处都是。英汉大词典〔work〕The instructors worked us very hard on the survival course.生存训练课上，老师把我们累坏了。剑桥高阶〔work〕The kids had worked themselves up to a fever pitch of excitement.这些孩子到了异常激动的地步。麦克米伦高阶〔work〕The pump is worked by (= uses to operate) wind power.这个泵靠风力运转。剑桥高阶〔work〕The stitches worked loose.缝线逐渐松了美国传统〔work〕These coal mines are no longer worked.这些煤矿已不再开采。文馨英汉〔work〕They worked their way to the village.他们拖着沉重的步子来到村里。21世纪英汉〔zeal〕He worked with great zeal.他非常热心地工作。文馨英汉Although he was a noble he worked in a factory and never used his title.虽然他是贵族，但他在工厂工作，而且从不利用他的头衔。剑桥国际Eventually she worked her way through (= read) the huge amount of technical papers.她终于逐渐读完了这厚厚的一大堆技术论文。剑桥国际He worked as in-house counsel at CBS Records.他在 CBS 唱片公司担任内部法律顾问。牛津商务He worked in a down-at-heel, decaying 1930s office block.他在一幢脏脏的、破败的30年代的办公楼里工作。剑桥国际He worked late into the night. 他工作到深夜。译典通He had worked for a publisher during the summer vacation, correcting proofs and making the tea.他在暑假里为一个出版商工作，改改校样，泡泡茶。剑桥国际He has worked tirelessly to achieve his goal.他孜孜不倦地工作来实现他的目标。剑桥国际I worked in the tallest building in Taibei. 我在台北最高的大楼上班。译典通I worked my ass off for that promotion and I still didn't get it.为了晋升，我拼命地干，可至今还没得到晋升。剑桥国际I've worked on a farm all my life.我一生都在农场工作。剑桥国际In Charlotte Bronte's book,'Jane Eyre',Jane worked as a governess to Mr Rochester's daughter.在夏洛蒂·勃朗特的小说《简爱》中，简是罗切斯特先生女儿的家庭教师。剑桥国际My parents worked (on) the land all their lives.我父母种了一辈子地。剑桥国际She worked as a cleaner at the hospital for a long time.她在医院当清洁工很长时间了。剑桥国际She worked herself to a frazzle. 她工作得疲惫不堪。译典通She is now a senior executive having worked her way up through the company.她在公司里逐渐升到现在的高级业务主管。剑桥国际She left school three years ago and has worked as a nurse ever since. 她三年前毕业，从那时起便一直当护士。译典通She owes her present position to having worked very hard.她有今天的地位是她辛勤工作得来的。剑桥国际Shopkeepers who couldn't pay the money demanded from them were often worked over by gang members.付不出勒索的钱的店主常常受到流氓分子的殴打。剑桥国际Staff and volunteers in the office worked with an air of cheerful anarchy.办公室里的正式职员与志愿工作者在一种随和而各自为政的气氛中工作。剑桥国际That summer she stayed at home, but the previous two summers she had worked abroad.那年夏天她呆在家里，但此前的两个夏天她在国外工作。剑桥国际The management have offered employees one week's severance (pay) for each six months they have worked at the company.资方给雇员们按他们在公司里每工作满六个月支付一星期的遣散费。剑桥国际The politician worked the crowd up until they shouted together. 那政客鼓动群众的情绪，使他们一起喊叫。译典通This team worked overtime in emulation of another team. 为了超越另一个队这个队加班加点地工作。译典通 |
| 随便看 |
英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。