up

U 开头单词专八核心词高考词汇词源字典

音标发音

英式音标 [ʌp]
美式音标 [ʌp]
国际音标 [ʌp]
英式发音
美式发音

基本解释

adv. 向上；上涨；靠近（某人）；朝……的方向；到（重要地方）；向（国家北部的地方）；成碎片；彻底地；（以便）聚拢；（以便）完结；已结束；起床；（非正式）（不好的事情）发生；公开展示地；（航行）逆风地
prep. 向（较高位置）；沿着；在……之上；向……的较高处；到（向往之处）
adj. 向上的；涨的；正在修正的；（骑师）骑着马的；（非正式）高兴的；完成的；起床的
v. 突然做（意想不到的事）；提高……的价格（或数量）；举起
n. 上升；繁荣；（非正式）走运

词源解说

直接源自古英语的uppe，意为向上。

同根派生

adj性质的同根词
upward：向上的；上升的。
upmost：最高的；最重要的（等于uppermost）。
adv性质的同根词
upward：向上。
upwardly：向上地；在上面地。

up相关词

用法辨析

prep. (介词)

up用作介词的意思是“向…上,向〔在〕…的顶上”。还可表示“往…的上端,向…的较高处,顺着…向上〔北〕; 往〔在〕…的上游〔发源地〕,在…”。up常指街道等长度远远超过宽度。

英汉例句

用作副词 (adv.)

They stood up when he came in.
当他进来时,他们都站起来。

用作介词 (prep.)

There was a workman up the ladder.
有一个工人在梯子上工作。

up更多例句

词组短语

用作副词 (adv.)

动词+～

pick up 拾起
tie up 捆紧

用作介词 (prep.)

get it up one 's nose 发怒,入迷
laugh up one 's sleeve 窃笑
run up 沿…跑
walk up 沿着…走

～+名词

up a storm 热烈的

up更多词组

英英字典

剑桥英英字典

(HIGHER) towards a higher position; towards a higher value, number, or level
(VERTICAL) in or into a vertical position
(TOP) in a high position; at the top
(NEAR) very near
(INCREASE) to a greater degree; in order to increase
(NOT IN BED) not in bed
(EXIST) into existence, view, or attention
(EQUAL) so as to be equal in quality, knowledge, or achievement
(TOGETHER) in a state of being together with other similar things
(TIGHTLY) tightly or firmly in order to keep something safe or in position
(SMALLER) broken or cut into smaller pieces; made smaller in area
(AGE) to a greater age
(PROBLEM) used when talking or asking about what is happening
(FINISHED) When a period of time is up, it is finished.
(IMPROVE) into an improved position or state
(END) to an end, finish, or state of being complete
(DIRECTION) towards the north
(INTENDED) intended, suggested, or being considered for something
(EAGER) willing and able to do or take part in an activity
(TRIAL) on trial in a court
(ROAD) When a road is up, it is being repaired and so is unsuitable for use.
(HAIR) If someone's long hair is up, it is arranged on the top or back of the head.
(HIGHER) to or in a higher level or position
(TOP) at the top of
(ALONG) (further) along
(ORIGIN) towards the starting point of something, especially a river or stream
(TO) to or at
(RISING) moving up
(IN OPERATION) When a system, computer, or similar machine is up, it is operating, especially in its usual way.
(HAPPY) feeling happy
(INCREASE) to increase something such as a price
(GO AWAY) used with another verb to emphasize that someone left a place or did something in a sudden and possibly unexpected way

柯林斯英英字典

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.
Up is also an adverb.
If a person or thing is up something such as a ladder or a mountain, they are near the top of it.
Up is also an adverb.
You use up to indicate that you are looking or facing in a direction that is away from the ground or toward a higher level.
If someone stands up, they move so that they are standing.
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.
If you are travelling to a particular place, you can say that you are going up to that place, especially if you are going toward 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.
If you go up to something or someone, you move to the place where they are and stop there.
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.
If you are up, you are not in bed.
If a period of time is up, it has come to an end.
If a computer or computer system is up, it is working. Compare down.
If someone who has been in bed for some time, for example because they have been sick, is up and about, they are now out of bed and living their normal life.
If you say that something is up, you mean that something is wrong or that something worrying is happening.
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.
If you move up and down somewhere, you move there repeatedly in one direction and then in the opposite direction.
up in arms&rarrsee arm
If you feel up to doing something, you are well enough to do it.
To be up to something means to be secretly doing something that you should not be doing.
If you say that it is up to someone to do something, you mean that it is their responsibility to do it.
Up until or up to are used to indicate the latest time at which something can happen, or the end of the period of time that you are referring to.
You use up to to say how large something can be or what level it has reached.
If someone or something is up for election, review, or discussion, they are about to be considered.
If you are up for something, you are willing or eager to do it.
If you are up against something, you have a very difficult situation or problem to deal with.
up to par&rarrsee par
If you up something such as the amount of money you are offering for something, you increase it.
If you up and leave a place, you go away from it, often suddenly or unexpectedly.

专业释义

计算机科学技术

处于良好工作状态的
向上
上
高的

语言学

上
"Up/down", "big/small" is of the two common spatial concepts in our daily life.
“上／下”、“大／小”是我们日常生活中最常见的两个空间概念。