知识点1:习惯上用于“under +名词”若干搭配
[1]under单词记忆法◆记忆方法一：联想方式：u:你 nd:脑袋 er:耳朵记忆方法：在你的脑袋下面有耳朵◆记忆方法二：under prep.在……下面解析：underestimate 低估 undergo 经历,忍受 undergraduate 本科生,未毕业学生 underground 地下underline 划线,着重 undermine 暗中破坏 undertake 承担,保证(unde
■under control 在控制中
They soon got the fire under control. 他们很快把火势控制住。
It took the teacher months to bring his class under control. 这个老师花了几个月的时间才管住了他的班级。
■under copyright 享有版权
The poem is still under copyright, so you have to pay to quote it. 该诗仍然享有版权，因此你必须支付引用费。
[2]have to,have,相关知识点have go还是have to gohave go还是have to go请看下面的题，是选have go还是have to go?Whom would you rather _________ with you, Jim or Jack?A. have go B. have to go C. have gone D. has to go有的同学从一看选项便首先排除了A，认为
■under cover 在隐蔽处；秘密地；在信封或邮包中
Plans for the attack were made under cover. 进攻计划是秘密制定的。
The check came under cover in yesterday’s mail. 支票是装在信封里和昨天的信一道寄来的。
■under discussion 在讨论中；在审议中
That has no relation to the matter under discussion. 那与正在讨论的事无关。
That’s another topic that will come under discussion. 那是另一个要讨论的问题。
[3]discussion单词记忆法◆记忆方法一：词根词缀记忆法：discussion n 讨任（discuss讨论，dis+cuss敲打…分开敲打…讨论）,“ion”表名词，“动作或状态
■under examination 在检查中；在审查中
The prisoner was still under examination. 囚犯仍受审。
The proposals are still under examination. 提案仍在审查中。
■under fire 在炮火中；被攻击中
We were under fire from all sides. 我们遭到了来自四面八方的射击。
The headmaster was under fire for not sending the boys home who stole the car. 校长由于没有开除那几个偷汽车的学生，受到责难。
[4]headmaster单词记忆法◆记忆方法一：联想方式：mast骂死他；er人记忆方法：骂死他的人真的算是一个口才大师了。
■under guarantee 在保修期内
It’s still under guarantee, so the manufacturer will repair it. 保证书还有效，所以厂家会给修理的。
The car is still under guarantee, so you should be able to get it repaired free of charge. 汽车还在保修期内，所以你应该可以免费修理。
[5]be able to,repaired,相关知识点be able to 主要表达某事或某人具有某种能力去作某事，应译为"有本领"、"有能力"、"可以"作某事，如：I'm able to swim across this river. 而can可以用来表示具有接受能力或吸收能力。如：This radio can be repaired here.［误］ This bike is able to be repaired.［正］ T
■under oath 在法庭上宣过誓要说实话
The judge reminded the witness that he was still under oath. 那法官提醒证人他已宣誓不作伪证。
■under obligation 有义务；一定要
The one who did the damage in under obligation to pay for it. 造成损失的人有义务赔偿。
【注】在现代英语中通常用under an [no] obligation的形式：
You’re under no obligation to pay for goods which you did not order. 没有订购的货物就无须付款。
She’s under an obligation to him because he lent her money. 因为他把钱错给她了，所以她有偿还他的义务。
■under obseration （尤指病人或嫌疑犯）在观察中；在监视中
The doctor put him under observation.医生让他接受观察。
The police have had him under observation for several weeks.警方已监视他数周了。
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知识点2:“under + 名词”搭配的用法举例
Clancey was excellent at keeping the kids under control. 克兰西非常善于管教孩子。
◎under development 在发展中；在开发中
The new vaccine is still under development.新疫苗仍处于开发阶段。
◎under discussion 在讨论中
The proposal is now under discussion. 提案正在讨论。
The plan is now under discussion.=The plan is now being discussed. 计划正在讨论中。
That has no relation to the matter under discussion.那与正在讨论的事无关。
That’s another topic that will come under discussion.那是另一个要讨论的问题。
◎under examination 在检查(调查)中
The prisoner is still under examination. 囚犯仍在受审。
His conduct is under examination. 正在对他的行为进行审查。
Several items of clothing are still under examination.几件衣服还在检查中。
The school’s controversial methods have come under examination by the local authority.校方有争议的方法已经由当地政府进行核查。
◎under fire 在炮火中；遭到攻击，受到严厉批评
The soldiers showed perfect discipline under fire. 士兵在枪林弹雨中严守军纪。
The new regulation came under fire. 新规章遭到了批评。
The minister of transport came under fire (= was heavily criticized) for forcing increases in rail fares.交通部长由于强制提高火车票价而受到强烈指责。
◎under investigation 在调查中
The matter is still under investigation. 这件事尚在调查中。
She was the second minister to come under investigation for corruption.她是接受贪污调查的第二位部长。
◎under medical treatment 在治疗中
He is under medical treatment. 他正在接受治疗。
◎under observation 在观察中，受监视
She’s in hospital under observation. 她在医院接受观察。
[6]in hospital,hospital,相关知识点这里的school应看作不可数名词泛指学校的课程，即开学之意。要注意，有些活动场所当表达正在从事该种活动时不要加冠词，如：at table (吃饭)， When I came to Tom's home, they were at table. 还有： at desk (学习)，at work (工作) at school (上学)， in hospital (住医院) at
The police have had him under observation for several weeks.警方已监视他数周了。
The police are keeping actions of the suspected criminal under close observation. 警方正在严密监视嫌疑犯的行动。
◎under repair 在修理中
My car is under repair now.我的车现在正在修理中。
We were given a courtesy car to use while our car was under repair.我们的车在修理时，他们免费提供另一车辆让我们暂时使用。
◎under review 在检查中
The matter is still under review.这件事仍在审议中。
Our contracts are currently under review. 我们的合同正在复查。
The policy is now under review. 这项政策正在审议之中。
◎under study 在研究中
the biochemical process under study 研究中的生化过程
◎under trial 在试验中
A new stocktaking system is currently under trial at the supermarket.目前超市正在试用一种新的清点存货系统。
知识点3:复合介词归纳——“under the+名词+of”类型
Thousands of Young Pioneers under the good care of the Party are growing up sturdily. 成千上万的少先队员在党的关怀下茁壮成长。
■under the charge of 由……管理（负责、照顾、治疗等）
These patients are under the charge of Dr Wilson. 这些病人由威尔逊医生治疗。
This ward is under the charge of Dr Green. 这间病房是由格林大夫负责的。
Mother puts the baby in the charge of the baby while she is out. 母亲外出时，婴儿交给临时保姆照顾。
■under the command of 由……指挥
The ship is under the command of Captain Black. 这艘船由布菜克船长指挥。
The army is under the command of General Smith. 这支军队由史密斯将军指挥。
■under the conditions of 根据……条件
Under the conditions of the agreement, all foreign troops will leave by May. 根据协议条款，所有外国军队将最迟在5月撤离。
[7]leave,will,相关知识点翻译If you do not leave me, we will die together.[1]together单词记忆法◆记忆方法一：分析：to --- 介词 ―到、向、往‖ get --- 得到 her --- 她的 记忆方法： 去得到她的芳心，就能和她一起共同生活。◆记忆方法二：联想方式：to—去get—得到her—她记忆方法：去得到她就能
