up

• 作形容词时，表示位置较高、水平或数量增加，或处于积极、活跃的状态。

When used as an adjective, it describes something that is higher, increased, or in a positive or active state.

1. Upright, verticalA1formal

   Positioned upward; not lying down or horizontal.

   竖立的，垂直的

   • The flag is up on the pole.
   • Please keep the books up on the shelf.
   • The painting hung up straight on the wall.

   同义词erectperpendicularraisedstandinguprightvertical

   反义词downflathorizontallyingproneprostraterecumbentsupine

2. Awake or alert (British slang)A2informalbritish

   Being awake, energetic, and ready for activity.

   清醒的，精力充沛的

   • I stayed up late studying for the exam.
   • He was up early to catch the train.
   • She’s always up for a night out.

   同义词activealertawakeenergeticlivelyon the go

   反义词asleepdown

3. In a good mood, cheerfulB1informal

   Feeling happy, optimistic, or enthusiastic.

   心情好，兴高采烈

   • She’s really up today after hearing the news.
   • After the win, the whole team was up.
   • I’m up this morning; nothing can bring me down.

   同义词buoyantcheerfulelatedenthusiastichappyhigh-spiritedjovialjoyfuloptimisticupbeat

   反义词bluedepresseddowngloomylowsad

4. In operation or activeB2formal

   Functioning, running, or being used.

   运行中

   • The system is up and processing requests.
   • All servers are up after the maintenance.
   • The website was down yesterday but is up now.

   同义词activefunctioningin operationonlineoperationaloperativerunningworking

   反义词downidleinactiveoffstopped

5. Increased or higherB2informalamerican

   Raised in amount, level, or intensity.

   升高

   • The price is up by ten percent.
   • Interest rates are up again this month.
   • He turned the volume up because it was too quiet.

   同义词elevatedhighincreasedraised

   反义词decreaseddownlowerreduced

• 副词，表示向更高位置、水平或地方移动，也表示完成或增加（如“站起来”、“加快”）。在英式和美式英语中广泛使用。

An adverb indicating movement to a higher position, level, or place, or signifying completion or increase (e.g., “stand up,” “speed up”). It is widely used in both British and American English.

1. Towards a higher positionA1formal

   In a direction that is higher or upward; moving to a place above the current level.

   向上

   • She looked up at the sky.
   • The balloon floated up into the clouds.
   • He lifted the box up onto the shelf.

   同义词aloftskywardupwardupwards

   反义词down

2. Finished or completedA2formal

   Indicates that something has been completed or is no longer ongoing.

   完结

   • The meeting is up; we can leave now.
   • The deadline is coming up soon.
   • Your time is up.

   同义词allcompletelyentirelyfullywholly

3. Increase or intensifyB1informalamerican

   Used to show that a quantity, intensity, or degree has risen.

   增加或加强

   • The price went up after the holiday season.
   • She turned the volume up.
   • Things are really heating up.

   同义词moreupwards

   反义词decreasediminishdownlowerreduce

4. Awake, out of bedA1informal

   Refers to the state of being awake, especially early in the morning.

   醒着的，已起床

   • I was up at six o’clock.
   • Are you still up? I need to talk to you.
   • He stayed up all night studying.

   同义词aboutastirawakerisenstirring

   反义词asleepdown

5. In good condition or functioningB1formal

   Describes something that is operational, functional, or in a good state.

   正常运行

   • The computer is up and running.
   • All systems are up after the maintenance.
   • The website stayed up despite the traffic surge.

   同义词functionalfunctioningoperationaloperativerunningworking

6. In a higher rank or statusB2formal

   Used to indicate that someone has been promoted or is now in a higher position.

   地位更高

   • She’s moving up to senior manager next month.
   • He worked his way up from intern to director.
   • The player was promoted up the batting order.

   同义词upwardupwards

   反义词down

• 介词，表示向上运动、沿路径的方向、向某人靠近、在等级或地位上的提升、地理上的向北或逆流方向，或与表面的接触。

A preposition indicating movement to a higher position or level, direction along a path or road, approach towards someone or something, progression in hierarchy, geographic direction north or upstream, or contact against a surface.

1. Movement to a higher position or levelA1formal

   Used to show movement from a lower position to a higher one, often involving climbing, ascending, or rising along a vertical or sloped surface.

   向上，朝上

   • They climbed up the mountain.
   • She walked up the stairs.
   • He ran up the hill to catch the bus.
   • The cat jumped up the tree.

2. Direction along a path, road, or riverA2formal

   Indicates movement or position along a linear feature such as a street, road, or river, often implying movement towards a specific destination or further along the route.

   沿着，顺着，往前

   • We walked up the road to the shop.
   • His house is just up the street.
   • They sailed up the river.
   • She lives further up the lane.

3. Approach towards someone or somethingB1formal

   Used in the phrase 'up to' to indicate movement towards a person or object until reaching close proximity or contact.

   朝向，接近

   • He came up to me and said hello.
   • She walked up to the counter.
   • The stranger came up to them.
   • He ran up to the door.

4. Progression in hierarchy or statusB2formalbusiness

   Used metaphorically to indicate movement towards a higher rank, level, or status within an organization, system, or social structure.

   向上晋升，地位提升

   • She worked her way up the corporate ladder.
   • He moved up the ranks quickly.
   • They are moving up the list.
   • He wants to climb up the hierarchy.

5. Geographic direction north or upstreamB1formal

   Indicates movement towards the north or against the current of a river, based on conventional map orientation or flow direction.

   向北，往上游

   • They drove up to London.
   • We traveled up north for the summer.
   • The fish swim up the stream.
   • He went up to Scotland.

6. Contact or opposition against a surfaceB2formal

   Used in the phrase 'up against' to indicate being in physical contact with a surface or facing opposition/difficulty.

   紧靠、抵着、面对

   • He pinned me up against the wall.
   • The ladder was leaning up against the roof.
   • We are up against a deadline.
   • She stood up against the door.

• 增加、抬高或使某物向上移动；口语中也表示改善或增强。

A verb meaning to increase, raise, or cause something to move upward; also used in informal contexts to indicate improvement or intensification.

1. Increase or raiseA2formal

   To make something higher in amount, level, or intensity; to raise the quantity, price, or degree of something.

   提高

   • The manager decided to up the salaries after the successful quarter.
   • She up‑s the bid by $500 to outbid the competition.
   • The government plans to up the tax rate on luxury goods.
   • They up the volume because the music was too quiet.

   同义词augmentboostbump upelevateenhanceescalatehikeincreaseintensifyjack upraisestep up

   反义词decreasediminishlessenlowerreduce

2. Intensify or improve (informal)B1informal

   To make something better, stronger, or more aggressive; often used in colloquial speech.

   加强或改善（非正式）

   • You need to up your game if you want to win the championship.
   • She uped the décor of the restaurant with new lighting.
   • He up the pressure on his teammates during practice.
   • We should up our efforts on the marketing campaign.

   同义词amplifyaugmentboostenhanceescalateimproveincreaseintensifyraisestep upstrengthen

   反义词decreasedownlowerreduceweaken

3. Move upward (archaic/poetic)C1formalbritish

   To rise, ascend, or go upward; seldom used in modern everyday English, more common in literary or poetic contexts.

   上升（古语／诗意）

   • The spirit up into the heavens as the night fell.
   • The balloon up against the wind, drifting higher.
   • He up from the depths of the valley to the mountain ridge.
   • She felt her hopes up with each sunrise.

   同义词ariseascendmountrisesoar

   反义词descendfallsink