at, in, on

名詞 in:

1. a unit of length equal to one twelfth of a foot
   同義詞：inch
2. a rare soft silvery metallic element; occurs in small quantities in sphalerite
   同義詞：indium, atomic number 49
3. a state in midwestern United States
   同義詞：Indiana, Hoosier State

形容詞 in:

1. holding office
2. directed or bound inward
3. currently fashionable

副詞 in:

1. to or toward the inside of
   同義詞：inwards, inward

1. I haven't seen him in years.
   我已多年沒有見到他了。
2. Are you in for this game of whist?
   這場惠斯特橋牌你參加嗎？
3. They are in research.
   他們正在進行研究。
4. Is he in?
   他在家嗎？
5. Those hats are in.
   那些帽子很流行。
6. The telephone was in the little study on the ground floor.
   電話在底樓的小書房里。
7. He dipped his pen in the ink.
   他拿鋼筆蘸墨水。
8. I'm afraid we're in for a storm.
   恐怕我們要遇上暴風雨了。

in

prep.（介詞）

Within the limits, bounds, or area of:
在…里：在區(qū)間、界限或面積以內(nèi)：
例句：
was hit in the face; born in the spring; a chair in the garden.
被打在臉上；在春天出生；花園里的一把椅子

From the outside to a point within; into:
從外面進入；入內(nèi)：
例句：
threw the letter in the wastebasket.
把信扔進廢紙簍

To or at a situation or condition of:
達到或處于某種狀態(tài)或情形：
例句：
was split in two; in debt; a woman in love.
被分成兩半；負債；戀愛中的女人

Having the activity, occupation, or function of:
有某種活動、職業(yè)或作用：
例句：
a life in politics; the officer in command.
政治上的生涯；指揮官

During the act or process of:
在某行動或過程中：
例句：
tripped in racing for the bus.
追趕公共汽車時絆倒

With the arrangement or order of:
按照某種安排或秩序：
例句：
fabric that fell in luxuriant folds; arranged to purchase the car in equal payments.
富有華麗褶皺的面料；安排分期付相同款額來買車

After the style or form of:
以某種風格或形式：
例句：
a poem in iambic pentameter.
以五音步抑揚格寫成的詩

With the characteristic, attribute, or property of:
具有某種特征、品質(zhì)或?qū)傩裕?/br>例句：
a tall man in an overcoat.
穿著大衣的一個高大男人

By means of:
以某種方式：
例句：
paid in cash.
以現(xiàn)金支付

Made with or through the medium of:
用或通過某種媒介：
例句：
a statue in bronze; a note written in German.
青銅雕像；用德語寫的便箋

With the aim or purpose of:
有某種目的或目標：
例句：
followed in pursuit.
跟蹤

With reference to:
特指：
例句：
six inches in depth; has faith in your judgment.
深度為'英寸；確信你的判斷

Used to indicate the second and larger term of a ratio or proportion:
指比率：用于次要的和較大的比例或比率條件：
例句：
saved only one in ten.
只節(jié)省了十分之一

adv.（副詞）
To or toward the inside:
朝里面或進里面：
例句：
opened the door and stepped in.
打開門走了進去

To or toward a destination or goal:
到達或朝著某個目的地或目標：
例句：
The mob closed in.
暴徒圍攻過來

Baseball To home base; so as to score:
【棒球】 回本壘；得分：
例句：
runs batted in; singled the runner in.
快跑回本壘；擊出一壘安打

Within a place, as of business or residence:
在某地，如在工作地點或在居處：
例句：
The manager is in before anyone else.
經(jīng)理在別人來之前就到了

So as to include or incorporate:
以包括或并入：
例句：
Fold in the egg whites.
把蛋清拌進去

So as to occupy a position of success or favor:
以獲取成功或受寵的職位：
例句：
campaigned hard and was voted in.
激烈競爭后當選

In a particular relationship:
在某種特殊的關(guān)系當中：
例句：
got in bad with their supervisor.
與監(jiān)督者相處得不好

adj.（形容詞）
Located inside; inner.
在里面的；內(nèi)部的
Incoming; inward:
新來的；向內(nèi)的：
例句：
took the in bus.
上了新開來的公車

Holding office; having power:
執(zhí)政的；當權(quán)的：
例句：
the in party.
執(zhí)政黨

Informal
【非正式用語】
Currently fashionable:
目前流行的：
例句：
the in thing to wear this season.
這個季節(jié)的流行裝束

Concerned with or attuned to the latest fashions:
緊跟或追趕潮流的：
例句：
the in crowd.See Synonyms at fashionable
趕時髦的人們參見 fashionable

n.（名詞）
One that has position, influence, or power:
執(zhí)政黨：有地位、影響或權(quán)力的人：
例句：
the ins against the outs.
執(zhí)政黨與在野黨的對立

Informal Influence; power:
【非正式用語】 影響；權(quán)力：
例句：
had an in with the authorities.
與當局有特殊的關(guān)系

<習慣用語>in for
Guaranteed to get or have:
保證得到或擁有：
例句：
You`re in for a big surprise.
你肯定會大吃一驚

in that
For the reason that.
因為
來源：
Middle English
中古英語
from Old English * see en
源自 古英語 *參見 en

in
in 2或 in.
abbr.（略語）
Inch.
Inch.