In a place such as an ocean, river, or swimming pool, if someone or something goes under, they are fully in the water and covered by it.
He took a deep breath before he went under.
他钻下水前深深地吸了口气。
If something or someone is a particular age or amount or under, they are less than that age or amount.
free or subsidized health insurance for children 13 and under.
给予13岁及13岁以下儿童免费的或有补助的健康保险。
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.
They found a labyrinth of tunnels under the ground.
他们在地下发现了一处迷宫似的地道。
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。
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.
She held her breath for three minutes under the water.
她在水下屏息了3分钟。
If you go under something, you move from one side to the other of something that is at a higher level than you.
He went under a brick arch.
他从一座砖砌的拱门下面走过。
Something that is under a layer of something, especially clothing, is covered by that layer.
I was wearing two sweaters under the green army jacket.
那时我在绿色的军上衣里面穿了两件毛衣。
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。
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.
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。
If something happens under particular circumstances or conditions, it happens when those circumstances or conditions exist.
His best friend died under questionable circumstances.
他最好的朋友在极其可疑的情况下死了。
Under normal conditions, only about 20 to 40 per cent of vitamin E is absorbed.
在正常情况下,只有约20到40的维生素E被吸收。
If something happens under a law, agreement, or system, it happens because that law, agreement, or system says that it should happen.
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.
根据新规定,1/5的车可能需要费用高达120美元的维修。
If something happens under a particular person or government, it happens when that person or government is in power.
There would be no new taxes under his leadership.
在他的领导下,不会征收新的税项。
the realities of life under a brutal dictatorship.
在残酷的独裁统治下的生活现实。
If you study or work under a particular person, that person teaches you or tells you what to do.
Kiefer was just one of the artists who had studied under Beuys in the early Sixties.
基佛只是60年代初期师从博伊斯的艺术家之一。
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。
If you do something under a particular name, you use that name instead of your real name.
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?
You use under to say which section of a list, book, or system something is in.
The 'General Diseases of the Eye' study is filed under E.
“普通眼病”研究归在E条目下。
If something or someone is under a particular age or amount, they are less than that age or 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。