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单词 under
释义
under
(ʌndəʳ )
In addition to the uses shown below, under is also used in phrasal verbs such as 'go under' and 'knuckle under'.
1. preposition A1
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.
...swimming in the pool or lying under an umbrella.
Under a wide shelf that holds coffee jars stands a pile of magazines.
She buried her head under the covers, pretending to be asleep.
A path runs under the trees.
Synonyms: below, beneath, underneath, on the bottom of  
2. preposition A1
In a place such as a sea, river, or swimming pool, if someone or something is under the water, they are fully in the water and covered by it.
They said he'd been held under the water and drowned.
Goldfish were swimming lazily in a group just under the surface.
Under is also an adverb.
When the water was up to his neck, a hand came from behind and pushed his head under.
3. preposition A1
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.
A river boat passed under the bridge.
4. preposition B1
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.
He had no shirt on under his thin jumper.
It was hard to see the colours under the layer of dust.
5. preposition B2
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.
I'm rarely under pressure and my co-workers are always nice to me.
Firefighters said they had the blaze under control.
The cause of the crash was under investigation.
He was rushed to court yesterday under armed guard.
6. preposition B2
If something happens under particular circumstances or conditions, it happens when those circumstances or conditions exist.
His best friend was killed by police under extremely questionable circumstances.
Under normal conditions, only about 20 to 40 per cent of vitamin E is absorbed.
Most doctors and nurses live under stressful conditions.
7. preposition
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.
We believe an offence was committed under E.U. regulations.
Under the Constitution, you cannot be tried twice for the same crime.
8. preposition
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.
...the realities of life under a brutal dictatorship.
He attempted to unite the country under his rule.
9. preposition
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.
General Lewis Hyde had served under General 'Billy' Mitchell.
I am the new manager and you will be working under me.
Synonyms: subordinate to, subject to, reporting to, directed by  
10. preposition
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?
The patient was registered under a false name.
11. preposition
You use under to say which section of a list, book, or system something is in.
This study is described under 'General Diseases of the Eye'.
...a parental rights order under section 4 of the Family Law Reform Act.
'Where would it be?'—'Filed under C, second drawer down.'
Synonyms: included in, belonging to, subsumed under, comprised in  
12. preposition A2
If something or someone is under a particular age or amount, they are less than that age or amount.
...jobs for those under 65.
Nearly half of mothers with children under five have a job.
Expenditure this year should be just under 15 billion pounds.
Synonyms: less than, below, not as much as  
Under is also an adverb.
...free childminding service for 5's and under.
13. under canvas phrase [PHRASE after verb, noun PHRASE]
If you are living and sleeping under canvas, you are living and sleeping in a tent.
Campsites in the New Forest quickly filled up as thousands decided to spend the holiday under canvas.
14. under wraps phrase
If you keep something under wraps, you keep it secret, often until you are ready to announce it at some time in the future.
The bids were submitted in May and were meant to have been kept under wraps until October.
The date and venue of the game must remain under wraps.
You can never keep a launch as big as ours completely under wraps.
under-
(ʌndəʳ- )
1. prefix
Under- is used to form words that express the idea that there is not enough of something. For example if people are underfed, they are not getting enough food.
Make sure that you are not underinsured.
Victorian cut glass is perhaps the most underpriced area of the antique glass market.
2. prefix
Under- is added to the beginning of nouns that refer to a job or rank in order to form nouns that refer to a less important job or rank.
...the new undersecretary of education.
...clients who wouldn't deal with an undermanager.
Translations:
Chinese: 在...之下
Japanese: ・・・の下に
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更新时间:2024/11/15 10:28:49