arithmetic mean
UK [ˌærɪθmetɪk ˈmiːn]
US [ˌærɪθmetɪk ˈmiːn]
算术平均数；算术（等差）中项；均数
这是的mean是名词用法意思是平均数；平均值；算术中项。
作为名词mean还有中间；中庸；折中等之意（middle way)
a mean between A and B
习语：
the happy /Golden mean中庸之道
het /strike the happy mean 采取中庸之道
其它习语：
v.
be meant to be sth
被普遍认为是
to be generally considered to be sth
This restaurant is meant to be excellent.
都说这家饭店很棒。
I mean
( informal ) （解释或更正刚说过的话）我是说，意思是说
used to explain or correct what you have just said
It was so boring─I mean, nothing happened for the first hour!
真是无聊——我是说，一个小时都过去了，什么事儿都没发生。
She's English─Scottish, I mean.
她是英国人——更确切地说，她是苏格兰人。
mean business
( informal ) 是认真的；说话算数
to be serious in your intentions
He has the look of a man who means business.
他看上去像是个说话算数的人。
mean (sb) no harm
not mean (sb) any harm
没有恶意；并非出于恶意
to not have any intention of hurting sb
mean to say
（强调要说的话，或问对方是否真是这个意思）意思是说
used to emphasize what you are saying or to ask sb if they really mean what they say
I mean to say, you should have known how he would react!
我的意思是说，你本应料到他会作何反应！
Do you mean to say you've lost it?
你是说你把那东西给弄丢了？
mean well
( usually disapproving ) 本意是好的；出于好心
to have good intentions, although their effect may not be good
adj.
be no mean…
( approving ) 了不起；很出色
used to say that sb is very good at doing sth
His mother was a painter, and he's no mean artist himself.
他的母亲是画家，他本人也是很出色的艺术家。
说到means，我们不得不提到mean。那么这二者的区别是什么？
mean 动词
(not used in the progressive tenses 不用于进行时)
~ sth (to sb) 表示…的意思 to have sth as a meaning
What does this sentence mean? 这个句子是什么意思？
The flashing light means(that) you must stop. 闪烁的灯光表示你必须停下。
(not used in the progressive tenses 不用于进行时)
意思是；本意是 to intend to say sth on a particular occasion
What did he meanby that remark? 他说那话是什么意思？
“Perhaps we should try another approach.”
“ What do you mean?” (= I don't understand what you are suggesting.) “也许我们应该试一试别的方法。”“你说什么？”
~ sth (as sth) | ~ what… | ~ sth for sb
打算；意欲；有…的目的 to have sth as a purpose or intention
Don't laugh! I mean it (= I am serious) .别笑！我是认真的。
Don't be angry. I'm sure she meantit for the best . (= intended to be helpful) . 别生气了。我相信她是真心想要帮忙的。
[often passive] ~ sb for sth | ~ sb to be sth
想要某人成为；想要某人去做 to intend sb to be or do sth
His father meanthim to be an engineer.他父亲想让他当工程师。
She did everything to get the two of them together, but I guess it just wasn't meant to be . 她极力撮合他们俩，但我觉得那根本不可能。
[no passive] ~ sth to sb 对某人重要（或有价值）to be of value or importance to sb
Money meansnothing to him .金钱对于他来说毫无价值。
Her children meanthe world to her .她的孩子就是她的一切。
2. 形容词
吝啬的；小气的
not willing to give or share things, especially money
She's always been meanwith money. 她在花钱方面总是非常吝啬。
要发怒的；要发狂的 likely to become angry or violent
That's a mean-looking dog.那狗看上去很凶啊。
熟练的；出色的 very good and skilful
He's a meantennis player.他是一名出色的网球选手。
She plays a meangame of chess. 她的国际象棋下得很棒。
(of a person's understanding or ability(人的理解力或能力) 平庸的；一般的 not very great
This should be clear even to the meanest intelligence. 就是对智力最平庸的人来说，这也应当是非常明了的。
be no mean…(approving) 了不起；很出色
used to say that sb is very good at doing sth
His mother was a painter, and he's no meanartist himself. 他的母亲是画家，他本人也是很出色的艺术家。
3. 名词
~ (between A and B)
中间；中庸；折中 a quality, condition, or way of doing sth
that is in the middle of two extremes and better than either of them
He needed to find a mean between frankness and rudeness.他需要在坦诚与唐突之间找到折中的方法。
the happy/golden mean (approving) 中庸之道 a course of action that is not extreme
总的来说，mean可以做动词、形容词、名词，做动词时，其主要意思为“意思是；打算；对某人重要”；做形容词时，其主要意思是“吝啬的；平庸的”，比较少见的两个意思是“要发怒的；出色的”；做名词的主要意思是“中庸”。相比较而言，means的用法更简单。（具体使用方法如下）
means（N.）~ (of doing sth/of sth) 方式；方法；途径 an action, an object or a system by which a result
is achieved; a way of achieving or doing sth
Television is an effective means of communication. 电视是一种有效的通信手段。
Is there any meansof contacting him? 有没有什么办法和他取得联系？
Have you any meansof identification ? 你有没有任何身份证件？
财富；钱财 the money that a person has
People should pay according to their means. 人们应该按照各自的负担能力来消费。
He doesn't have the means to support a wife and child. 他无钱养活妻小。
Private school fees are beyond the means of most people (= more than they can afford). 私立学校的费用是大多数人无力支付的。
Means除了有这两个常用的意思外，还常常和其他词语一起组成短语在句中使用，让我们一起来看一下有哪一些短语吧~
by all means 可以；当然行；没问题
used to say that you are very willing for sb to have sth or do sth
Do you mind if I have a look?
By all means. “我看一眼行吗？”“当然可以。”
by no means
not by any (manner of) means
绝不；一点也不 not at all
She is by no means an inexperienced teacher. 她绝不是个毫无经验的教师。
We haven't won yet, not by any means. 我们离成功还远着呢。
a means to an end（本身并不重要或有趣的）达到目的的手段
a thing or action that is not interesting or important in itself but is a way of achieving sth else
He doesn't particularly like the work,but he sees it as a means to an end.他不怎么喜欢这项工作，只是把它看作达到目的的手段而已。
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