under
柯林斯词典
1. PREP If a person or thing is under something, they are at a lower level than that thing, and may be covered or hidden by it. 在…下面
They found a labyrinth of tunnels under the ground. 他们发现了地下一处迷宫似的地道。
...swimming in the pool or lying under an umbrella. …在池里游泳或躺在遮阳伞下。
A path runs under the trees. 一条小路在树下延伸。
2. PREP In a place such as an ocean, river, or swimming pool, if someone or something is under the water, they are fully in the water and covered by it. 在 (水) 下
She held her breath for three minutes under the water. 她在水下屏息了3分钟。
3. ADV Under is also an adverb. 在水下[ADV after v]
He took a deep breath before he went under. 他在钻下水前深深地吸了口气。
4. PREP If you go under something, you move from one side to the other of something that is at a higher level than you. 从 (较高物) 下面
He went under a brick arch. 他从一座砖拱门下面走过。
5. PREP Something that is under a layer of something, especially clothing, is covered by that layer. 在 (一层衣服等) 里面
I was wearing two sweaters under the green army jacket. 我那时在绿色的军上衣里面穿着两件毛衣。
...a faded striped shirt under a knitted sweater. …穿在一件针织毛衣里边的一件褪了色的条纹衬衫。
6. PREP You can use under before a noun to indicate that a person or thing is being affected by something or is going through a particular process. 在 (…的影响或过程) 中
...fishermen whose livelihoods are under threat. …生计受到威胁的渔民们。
Firemen said they had the blaze under control. 消防员们说他们已控制住了火势。
7. PREP If something happens under particular circumstances or conditions, it happens when those circumstances or conditions exist. 在 (…情况或条件) 下
His best friend died under questionable circumstances. 他最好的朋友在不明的情况下死了。
Under normal conditions, only about 20 to 40 percent of vitamin E is absorbed. 在正常情况下，只有约百分之二十到百分之四十的维生素E被吸收。
8. PREP If something happens under a law, agreement, or system, it happens because that law, agreement, or system says that it should happen. 在 (法律、协议、制度等的规定) 下
Under law, your employer has the right to hire a temporary worker to replace you. 按法律规定，你的雇主有权聘用临时工来代替你。
Under the new regulations, one in five cars may need repairs costing as much as $120. 在新的规定下，1/5的车可能需要费用高达$120的维修。
9. PREP If something happens under a particular person or government, it happens when that person or government is in power. 在 (…的领导或统治) 下
There would be no new taxes under his leadership. 在他的领导下不会有新的税项。
...the realities of life under a brutal dictatorship. …在残酷的独裁统治下的生活现实。
10. PREP If you study or work under a particular person, that person teaches you or tells you what to do. 在 (…的指导或带领) 下
Kiefer was just one of the artists who had studied under Beuys in the early Sixties. 基弗只是60年代初期在博伊斯指导下学艺的艺术家之一。
General Lewis Hyde had served under General Mitchell. 刘易斯·海德将军曾在米切尔将军麾下服役。
11. PREP If you do something under a particular name, you use that name instead of your real name. 以 (…名)
Were any of your books published under the name Amanda Fairchild?
你的书有以阿曼达·费尔柴尔德的名字出版的吗？
12. PREP You use under to say which section of a list, book, or system something is in. 在 (…部分) 下
The "General Diseases of the Eye" study is filed under E. “普通眼病”研究归在E下。
13. PREP If something or someone is under a particular age or amount, they are less than that age or amount. 在 (某年龄或数量) 以下[PREP amount]
...jobs for those under 65. …适合65岁以下人士的工作。
Nearly half of mothers with children under five have a job. 孩子不足5岁的母亲中近一半有工作。
14. ADV Under is also an adverb. 在 (某年龄或数量) 以下[amount 'and' ADV]
...free or subsidized health insurance for children 13 and under. …13岁及13岁以下儿童的免费的或给予补助的健康保险。
15. under wraps→see wrap
返回 under
under /ˈʌndə/
剑桥词典
- The children squealed in delight when they saw all the presents under the Christmas tree .
- I bent down to look under the bed .
- A dog lay under the table , gnawing on a bone .
- She used to hide her diary under her pillow .
- There was no soap , so I just quickly rinsed my hands under the tap .
- You can get travel concessions if you are under 26.
- It's against the law to leave children under a certain age alone in the house .
- I managed to get all three suitcases for under $200.
- She ran her first marathon in just under three hours .
- You can walk from here to the station in under ten minutes .
- An adult under British law is someone over 18 years old .
- He was under attack for daring to criticize the prime minister .
- The procedure is carried out under local anaesthetic .
- I imagine he's under a lot of pressure at the moment .
- Except under clearly defined circumstances , it is illegal in Britain for a company to purchase its own shares .
- The group flourished under her firm leadership .
- He served under Harold Wilson as Transport Minister.
- Sleeping Beauty lay under the wicked fairy's spell until the prince woke her with a kiss .
- As a young painter , he studied under Picasso.
- Eastern Slavonia is to revert to Croatian government rule next year after a transitional period under U.N. administration .
under preposition (LOWER POSITION)
in or to a position below or lower than something else , often so that one thing covers the other在（或到）下面；在（或到）下方
He hid under the bed . 他躲在床底下。
In AD 79 the city of Pompei was buried under a layer of ash seven metres deep . 公元79年，庞贝古城被湮没在7米深的火山灰下。
She put the thermometer under my tongue . 她把温度计放到我的舌头下面。
She was holding a folder under her arm (= between her upper arm and the side of her body ). 她腋下夹着一个文件夹。
They stood under a tree (= below its branches ) to avoid getting wet . 他们站在树下避雨。
geography specialized
If a piece of land is under a particular type of plant , that plant is growing on the whole of that area .
（土地）被…植物覆盖的
The main fields are under wheat . 主要的农田都种了麦子。
If a book , article , or piece of information is under a particular title , you can find it below or following that title in a list , book , library , etc.
（书、文章或信息）属于…类别，在…项下
Books on Ansel Adams will probably be under Art or Photography. 关于安塞尔·亚当斯的书很可能属于艺术或摄影类。
Custard? That comes under Desserts. 蛋奶甜羹？应该在甜点类中找。
例句
under preposition (LESS THAN)
less than少于；低于
All items cost /are under a pound . 所有物品价格均低于1英镑。
The discount applies only to children under (the age of) ten (= younger than ten). 折扣仅面向10岁以下儿童。
If you get under 50 percent , you fail the exam . 如果考分低于总分的一半，你就没有及格。
反义词
over
例句
under preposition (EXPERIENCING)
happening during, as a result of, or according to a particular situation , event , rule , etc.在…情况下；由于；根据
The work was completed under very difficult conditions . 这项工作是在极端困难的情况下完成的。
Now that the deadline is approaching we all feel under pressure . 由于最后期限就要到了，我们都感受到了压力。
The chair broke under his weight (= because he was too heavy for it). 他太重了，椅子承受不住被压坏了。
Under the current rules , you need the agreement of at least 6 out of 10 committee members . 根据现有的规则，你必须取得委员会十位成员中至少六人的同意。
under attack, consideration, discussion, etc.
in the process of being attacked , considered , discussed , etc.
遭受攻击／正在考虑／正在讨论（等等）
The town is under fire (= is being attacked ) from the air . 该城正遭受空袭。
The proposals are now under consideration by the Board of Governors. 理事会正在考虑这些提议。
The situation is still not under control . 局势仍然没有得到控制。
under sedation, anaesthetic, etc. UK
treated in the way mentioned
处于镇静剂／麻醉剂的作用之下
The patient is being kept under heavy sedation . 病人正处于服药后的深度镇静状态。
She'll have to go under anaesthetic for the operation . 手术前必须给她施行麻醉。
old-fashioned She's been under the doctor for a viral infection . 她因病毒感染接受了医生治疗。
be under an impression/belief
to believe something, often wrongly
（常指错误地）以为／相信
He was under the mistaken belief that I was in charge . 他误以为是我在负责。
例句
under preposition (CONTROL)
controlled or governed by a particular person , organization , or force
受…的控制（或管理）
He's a Colonel , with hundreds of soldiers under him (= obeying his orders ). 他是一名上校，手下有数百名士兵。
I wonder what Britain was like under the Romans (= during the time when the Romans controlled Britain ). 我想知道英国在罗马人统治时期是什么样子。
People born under (= during the period of) the zodiac sign Pisces are supposed to be dreamy and artistic . 有人认为，双鱼座的人爱幻想、有艺术细胞。
be under orders
to have been ordered to do something
奉命，受命
They're under strict orders not to discuss the situation . 他们被严令不得讨论时局。
He's under doctor's orders (= has been told by a doctor ) to cut down on fatty food and to drink no alcohol for at least six months . 医生告诫他要在至少半年的时间内少吃油腻食物、滴酒不沾。
例句
under preposition (NAME)
using a particular name , especially one that is not your real name
用，以（尤指假名）
He writes under the name (of) John le Carré. 他用约翰•勒•卡雷这个名字创作。
For his own safety , he has to operate under a false name /an alias . 为了自身安全，他不得不使用假名／化名。