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1、risk 基本用法1) n. danger; possibility that something harmful or undesirable may happen.危险；风险risk + of:e.g. the risk of infectionrisk + that:e.g. There is a real risk that the wheat crop may be lost.at risk: 有危险e.g. Millions of lives are at risk because of food shortage.be at the risk of sth.: 有的危险e.g.
2、Evidence shows that the spotted owl is at the risk of extinction.takerun risksa risk: 冒险e.g. You have to takerun a lot of risks if you want to succeed in business.run the risk of doing sth.: 冒的风险e.g. I dont want to run the risk of meeting George, so Ill stay here.Anyone travelling without a passport
3、 runs the risk of being arrested.at ones own risk: 自担风险e.g. Danger enter at your own risk.2) vt. to put in danger; to take a chance of (a possible unpleasant result). 冒险；担的风险e.g. Youre risking your health by smoking.By criticizing the boss he risked losing his job.Jim risked his life to help save hi
4、s partner.The senators are willing to risk their careers on a matter of principle.相关搭配share risks: 共同承担风险risk fundscapital: 风险资金资本risk factors: 风险因素risk transfer: 风险转移 risk moneypremium: 风险补贴perform 基本用法1) vt. to do; carry out, esp. according to a usual or established method.履行；实行；完成e.g. Rubin says
5、he will resign when he is no longer able to perform his duties.You cant expect me to perform miracles (=do things that seem impossible).2) vt. vi. to give, act or show, esp. in the presence of the public.表演；演奏e.g. The magician performed some astonishing tricks.He will be performing on the clarinet(单
6、簧管) at the piano.3) vi. (of a machine) to work (in the proper or intended way).运行；表现e.g. This car performs badlypoorly on hills.All systems on the space shuttle appear to be performing well.The electronics industry continues to perform well.相关词performance n. 性能；功绩；运行；表演；成绩performer n. 演员相关搭配performi
7、ng arts: 表演艺术high performance car: 性能良好的汽车put ongivestage a performance: 表演节目disappointing performance in an exam: 令人失望的考试成绩star performer: 明星演员replace 基本用法1) vt. (with sth.) to take the place of.取代；替换e.g. Weve replaced the old computer withby a new one. George has replaced Edward as captain of the
8、team.Ive replaced the batteries in your Walkman.2) vt. to put something back in the right place.把放回原处e.g. He replaced the book on the shelf.Please replace your tray and return your seat to an upright position for landing.相关词replacement n. 替换；取代物；代替者相关搭配personnel replacement charts: 人事调配图replacement
9、cost: 重置成本find a replacement for: 找到接替者limit 基本用法1) vt. to keep within a certain size, amount, number, area, or place; restrict.限制；限度e.g. We must limit our spending.He limited himself to one cake each hour.A lack of formal education will limit your job opportunities.2) n. the farthest point or edge,
10、 which cannot or must not be passed. 界限；限度( 最高或者最低的)限额to reach the limit of ones patience: 忍耐已到了极限set a limit on: 限制e.g. My wife and I set a limit on how much we spend on clothes.There is ano limit to (sth.): 有无限度e.g. Ill help as much as I can, but theres a limit to what I can do.There is no limit t
11、o what you can do if you try.within limits: 在一定范围限制限度之内e.g. You can do what you like within limits.off limits (to): 禁止入内e.g. The town is off limits to military personnel.The basement is always off limits to us kids.相关词limitation n. 限制；缺陷；局限性相关搭配know ones limits: 了解自己( 的能力擅长等)e.g. I know my limits, a
12、nd Im not a great runner.Her ambition knows no limits. 她野心极大。the upperlower limit: 上下限a limited liability company (LTD): 有限责任公司time limit: 时间限制；限期be belowover the limit: ( 司机)饮酒未过量过量share 基本用法1) n. the part belonging to, owed to, or done by a particular person.一份；份额e.g. I wrote a check for my share
13、of the phone bill.A large share of their income goes toward rent.Dont you pay for all this lets go shares.2) n. any of the equal parts into which the ownership of a company can be divided, which are offered for sale to the public.股；股票；股份shares in Simens 在西门子公司的股票stocks and shares 股票e.g. He recently
14、sold his share in the restaurant for 500,000.3) vt. to have, use, pay, or take part in (something) with others or among a group, rather than singly.共有；公用；均摊e.g. We shared the cost of the meal.We all share the responsibility for these terrible events.Its always better to share your worries and proble
15、ms.At his death his property was shared between his children. Do you mind sharing a room with Jenny?相关词shareholder n. 持股人；股东相关搭配the lions share of (sth.): 最大的份额share price: 股价share-holding system: 股份制go shares: 均摊market share:市场份额 1. maintain 基本用法1 ) vt. to continue to have; keep in existence, or no
16、t allow to become less.维持；保持e.g. I hope you will maintain your recent improvement.Part of her job is to maintain good relations with our suppliers.2 ) vt. to keep (a road, machine, building, etc.) in good condition.维修；保养e.g. A large country house costs a lot to maintain.The roads around the town have been very poorly maintained.3 ) vt. to express firmly your
