格兰特地板:关于It的用法

The ability is what separates the truly great from the merely competent.
是句子的主干。
it 是opportunities的同位语，也就是说，it就是opportunities.
可以说是修饰ability的。

it
AHD:[箃]
D.J.:[it]
K.K.:[!t]
pron.
Used to refer to that one previously mentioned. Used of a nonhuman entity; an animate being whose sex is unspecified, unknown, or irrelevant; a group of objects or individuals; or an abstraction:
polished the table until it shone; couldn't find out who it was; opened the meeting by calling it to order.
Used as the subject of an impersonal verb:
It is snowing.
Used as an anticipatory subject or object:
Is it certain that they will win?
Used as an anticipatory subject to emphasize a term that is not itself a subject:
It was on Friday that all the snow fell.
Used to refer to a general condition or state of affairs:
She couldn't stand it.
Informal
Used to refer to something that is the best, the most desirable, or without equal:
He thinks he's it. That steak was really it!
it
n.
Games
A player, as in tag, who attempts to find or catch the other players.
An animal that has been neutered:
The cat is an it.

Middle English
fromOld English hit
*See Also : ko- In Appendix

It
abbr.
Italian Italy.

it
AHD:[箃]
D.J.:[it]
K.K.:[!t]
pron.
Used to refer to that one previously mentioned. Used of a nonhuman entity; an animate being whose sex is unspecified, unknown, or irrelevant; a group of objects or individuals; or an abstraction:
表示物体用于指已经提到的事物。用于指无生命物体；性别不详、不知或不相关的有生命物体；事物和群体；抽象物质：
polished the table until it shone; couldn't find out who it was; opened the meeting by calling it to order.
把桌子擦出光亮；查不出是谁；会议开始，全体肃立
Used as the subject of an impersonal verb:
表示主语用作非人称代词的主语：
It is snowing.
正在下雪
Used as an anticipatory subject or object:
代主语或宾语作为先行主语或先行宾语：
Is it certain that they will win?
他们一定会赢吗?
Used as an anticipatory subject to emphasize a term that is not itself a subject:
强调主语作为先行主语来强调，但它本身并不是主语：
It was on Friday that all the snow fell.
是在星期五下雪的
Used to refer to a general condition or state of affairs:
情况状态用于指事情通常的情况或状态：
She couldn't stand it.
她无法容忍
Informal
【非正式用语】
Used to refer to something that is the best, the most desirable, or without equal:
指代事情用于指最好的、最渴望得到的或者不平等的事情：
He thinks he's it. That steak was really it!
他一直以为自己是最佳人选。那牛排真是不错！
it
n.
Games
【游戏】
A player, as in tag, who attempts to find or catch the other players.
捉人者一个想要发现或抓住其它人的游戏者，如在儿童的捉人游戏中
An animal that has been neutered:
被阉割的动物：
The cat is an it.
这只猫已被阉过

Middle English
中古英语
fromOld English hit
源自古英语 hit
*See Also : ko- In Appendix

It
abbr.
Italian Italy.

it
[It]
pron
（指事物）它
This is my watch, it's a Swiss one.
这是我的手表，它是瑞士制的。
Where's my book? -- Have you seen it?
我的书在哪里？你看见了没有？
（当性别不明或被认为不重要时，指动物和人）它
Where is the dog? It is in the other room.
狗在哪里？它在另一间房里。
（用作各种无人称动词形式的主语） It is raining. 正在下雨。
It is cold.
天气寒冷。

catch it
惹麻烦
have had it
没有成功的希望
if it hadn't been for
要不是
That's it.
完了；没有了。
对了。

IT
信息技术;〔资讯科学〕
Information Technology的缩写。

it
[it]
pron.
[指心目中或上下文中的人或事物]这, 那, 它
Go and see who itis.
去看看是谁。
It's me.
[口]
(
=It is I.)是我。He is fifty-two, but doesn't look it. 他看上去不像五十二岁的人。That's it ! 就是这么回事!
[指无生命的东西, 也可指动物与性别不详的幼儿]它
They got a baby and it was a ten-pounder.
他们生了个十磅重的婴孩。
Where is the dog? It is in the garden.
狗呢?在花园里。
My book is on the desk.Can't you see it?
我的书在桌上, 你看不见吗?
[作无人称动词的主语]表示“时间、气候、距离等”
It's ten o'clock.
十点钟了。
It is raining.
下雨了。
It is twenty miles to London.
到伦敦有二十英里路。
We had a splendid time of it.
那时候我们真快乐。
[作先行代词, 引导后面的短语或从句]这, 这一点
It is right to do so.
这样做是对的。
It is no use trying.
试也无用。
It is certain that we shall succeed.
我们一定会成功。
It is a nuisance, this delay.
这样拖拉, 真是讨厌。
[作先行代词, 用在强调句型中]
It was here that I first met him.
这就是我初次与他见面的地方。
It is I that am fortunate.
幸运的是我。
[接在某些由名词变来的动词后, 无实义, 构成习惯性动词短语]
lord it over others
对别人作威作福
queen it
扮演女王; 玩女王派头
We'll foot [taxi] it.
我们将步行[坐出租车]去。
[口语中用作某些动词或介词的含糊宾语]
as ill luck will have it
偏偏不巧
get with it
振作精神
keep at it
坚持下去
Go it while you are young.
趁你年轻努力干吧。
You'll catch it!
你可小心点儿!(警告用语)
You are in for it.
这下你可得干到底了(或这下你可要倒霉了)。

it
n.
[俚]绝妙的人; 理想的东西(作此义解时, 通常写作斜体, 并重读)
In a lilac sun bonnet she was it.
她戴着一顶紫色遮阳帽, 漂亮极了。
For barefaced lying you are really it.
以无耻造谣而论, 你真算得上天下第一。
Stop acting as though you were it.
不要夜郎自大。
[美口]性的魔力; 魅力; 吸引力
have it
有性感
[美俚]傻瓜, 笨蛋
(瞎子摸鱼等游戏中的)瞎子
[俚]重要人物; 讨厌的人
He is a perfect it.
他太讨厌了。
[常作It][俚]自大的人, 自负者
[英口] =Italian verm(o)uth

as it is
事实上; 象现在这样
as it was
事实上; 象现在这样
as it were
似乎, 可以说是
at it
干个不停
(又)干那种事(指令人讨厌的事)
be for it
[口]一定要受惩罚; 一定要倒霉
be in it
[俚][常用于否定句]参加; 有获胜希望
be it
在某方面是个了不起的人物
好极了
Be it so (=So be it! Let it be so!)
就这样吧! 好吧!
be with it
[美俚]机灵的; 知内情的; 市面灵通的; 时髦的
It is that
[口]是这样, 就是嘛。
It was that
[口]是这样, 就是嘛。
not much in it(=little, nothing in it)
(比赛时)实力差不多, 不相上下
Now for it !
机不可失, 时不再来。
off it
不大舒服
what it is
事实真相; 原因, 理由
what it was
事实真相; 原因, 理由

IT
=Information Theory 信息论;
Input Translator 输入翻译程序;
Internal Translator内部翻译程序;
Item Transfer项目转移[变换]

it
[it]
n.
[英口]意大利苦艾酒

it
[ it ]
pron.它
[域] Italy , 意大利

it就是它

it
[it]
pron.
它
[域] Italy , 意大利

it
[It]
pron.
（指事物）它
This is my watch, it's a Swiss one.
这是我的手表，它是瑞士制的。
Where's my book? -- Have you seen it?
我的书在哪里？你看见了没有？
（当性别不明或被认为不重要时，指动物和人）它
Where is the dog? It is in the other room.
狗在哪里？它在另一间房里。
（用作各种无人称动词形式的主语） It is raining. 正在下雨。
It is cold.
天气寒冷。

catch it
惹麻烦
have had it
没有成功的希望
if it hadn't been for
要不是
That's it.
完了；没有了。
对了。

it
[it]
n.
[英口]意大利苦艾酒