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英语中习惯上用于under +名词的搭配不多，常见的有以下一些：
■under age 未成年，未达到规定年龄
He was rejected by the army because he was under age. 他因尚未成年而被拒绝参军。
You shouldnt sell cigarettes to teenagers who are under age. 你不应该把香烟卖给没未成年的青少年。
■under arrest 被捕
You are under arrest in the name of the law. 你被依法逮捕了。
He was soon put [placed] under arrest. 他不久就被逮捕了。
■under attack遭受攻击
The company has come under fierce attack for its decision to close the factory. 因为决定要关闭工厂，公司受到猛烈攻击。
■under consideration 在考虑中;在研究中
The question is now under consideration. 这个问题正在考虑中。
The plan is under consideration by the Ministry of Education. 教育部正在研究这个方案。
■under construction 在建造中
The new railway is under construction. 新铁路正在修建当中。
The bridge is under construction. 这座桥正在建造中。
There are two new hotels near here under construction. 附近正在兴建两家新的旅馆。
■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。
■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 yesterdays 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。
Thats another topic that will come under discussion. 那是另一个要讨论的问题。
■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。
■under guarantee 在保修期内
Its 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。
■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：
Youre under no obligation to pay for goods which you did not order. 没有订购的货物就无须付款。
Shes 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。