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PREP
向上；朝上；往上
If a person or thing goes up something such as a slope, ladder, or chimney, they move away from the ground or to a higher position.
例句
They were climbing up a narrow mountain road...
他們正沿一條狹窄的山路向上爬。
I ran up the stairs and saw Alison lying at the top...
我跑上樓梯，見艾莉森躺在那里。
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PREP
近頂端；靠頂端
If a person or thing is up something such as a ladder or a mountain, they are near the top of it.
例句
He was up a ladder sawing off the tops of his apple trees...
他正站在梯子頂上鋸他那顆蘋果樹的樹冠。
The Newton Hotel is halfway up a steep hill.
麗東酒店位于陡峭的半山腰上。
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ADV
（目光）朝上，向上
You use up to indicate that you are looking or facing in a direction that is away from the ground or towards a higher level.
例句
Paul answered, without looking up...
保羅頭也沒抬地答了話。
Keep your head up, and look around you from time to time.
要抬起頭，不時看看四周。
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ADV
（站）起
If someone stands up, they move so that they are standing.
例句
He stood up and went to the window...
他起身走向窗戶。
He got up and went out into the foyer.
他起身出去走進了大堂。
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PREP
沿著；靠著
If you go or look up something such as a road or river, you go or look along it. If you are up a road or river, you are somewhere along it.
例句
A line of tanks came up the road from the city...
一排坦克由市里沿路開來。
We leaned on the wooden rail of the bridge and looked up the river...
我們靠在橋的木欄桿上，朝河望去。
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ADV
向(或在)某地;(尤指)向(或在)北方，向(或在)地勢更高處;
If you are travelling to a particular place, you can say that you are going up to that place, especially if you are going towards the north or to a higher level of land. If you are already in such a place, you can say that you are up there.
例句
I'll be up to see you tomorrow...
我明天來看你。
He was living up North...
他當時住在北部。
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ADV
往；朝
If you go up to something or someone, you move to the place where they are and stop there.
例句
The girl ran the rest of the way across the street and up to the car...
那個女孩開始跑起來，一路跑到街對面的汽車旁邊。
On the way out a boy of about ten came up on roller skates...
出去時一個十來歲的男孩踩著溜冰鞋滑了過來。
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ADV
上漲；增多
If an amount of something goes up, it increases. If an amount of something is up, it has increased and is at a higher level than it was.
例句
They recently put my rent up...
他們最近提高了我的租金。
Tourism is up, jobs are up, individual income is up...
旅游火了，工作機會多了，個人收入漲了。
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ADJ
起床的
If you are up, you are not in bed.
例句
Are you sure you should be up?...
你肯定你該起床了嗎？
These days all sorts of people were up at the crack of dawn...
這些天所有人都一大早就起來。
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ADJ
（時間）結束的，用完的，到點的
If a period of time is up, it has come to an end.
例句
The moment the half-hour was up, Brooks rose...
半個小時一到，布魯克斯便起來了。
When the six weeks were up, everybody was sad that she had to leave.
6周過去了，大家都為她不得不離開而難過。
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ADJ
（道路）正在整修的
You say that a road is up when it is being repaired and cannot be used.
例句
Half the road was up in Leadenhall Street, so their taxi was obliged to make a detour.
半條利德霍爾街都在修路，他們的出租車只好繞道走。
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ADJ
（指棒球運動員）該上場擊球的
If a baseball player is up, it is their turn to bat.
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ADJ
（電腦）已啟動的，正常運轉的
If a computer or computer system is up, it is working.
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EXCLAM
去你的！去你媽的！
People sometimes say 'Up yours!' as an insult when you have said something to annoy them or make them angry.
例句
'Up yours,' said the reporter and stormed out into the street.
“去你的，”記者邊說邊怒氣沖沖地沖到大街上。
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PHRASE
可以下床走動
If someone who has been in bed for some time, for example because they have been ill, is up and about, they are now out of bed and living their normal life.
例句
How are you Lennox? Good to see you up and about.
你怎么樣，倫諾克斯？很高興看到你能下床走動了。
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PHRASE
不對勁；出問題
If you say that something is up, you mean that something is wrong or that something worrying is happening.
例句
What is it then? Something's up, isn't it?...
那是怎么回事呢？出問題了，是嗎？
Mr. Gordon stopped talking, and his friends knew something was up.
戈登先生突然閉口不言，他的朋友們知道有哪兒不對勁了。
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PHRASE
出什么事啦？出什么問題啦？出什么毛病啦？
If you say to someone 'What's up?' or if you tell them what's up, you are asking them or telling them what is wrong or what is worrying them.
例句
'What's up?', I said to him. — 'Nothing much,' he answered...
“出什么事啦？”我對他說。——“沒什么事，”他答道。
Let's sit down and then you can say what's up.
咱們先坐下來，然后你把事情告訴我。
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PHRASE
上上下下；來來回回
If you move up and down somewhere, you move there repeatedly in one direction and then in the opposite direction.
例句
He continued to jump up and down like a boy at a football match...
他不停地上躥下跳，活像個足球賽中的男孩。
I strolled up and down thoughtfully before calling a taxi...
我踱來踱去仔細思量后叫了一輛出租車。
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PHRASE
興衰；浮沉；起落；悲歡
If you have ups and downs, you experience a mixture of good things and bad things.
例句
Every relationship has a lot of ups and downs...
每一段感情都有許多起伏。
The organisation has had its ups and downs.
該機構經歷過興衰沉浮。
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PHRASE
欣欣向榮；興旺；紅火
If something is on the up or on the up and up, it is becoming more successful.
例句
They're saying that the economy is on the up...
他們稱經濟正在企穩向好。
It was a great year for music, people had money, opportunities, hope—things were on the up and up.
對音樂而言，那是一個大好年頭，人們有錢，有機會，有希望——一派欣欣向榮的景象。
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PHRASE
安分守己；誠實可靠
If someone is on the up and up, they are honest and sincere.
例句
I'm a pretty good judge of men. If you're honest and on the up and up, I'll be able to tell it.
我看人很準的。你要是誠實正派，我能看出來的。