in作为介词,有哪些意思

in
介词 prep.
1.在...里,在...上
The two brothers study in the same class.
两兄弟在同一个班里上课.
The telephone is in the little study on the ground floor.
电话在一楼的小书房内.
2.在...之内;在...方面
He is lacking in courage.
他缺乏勇气.
3.从事于;参加着
She is in business.
她做生意.
4.穿着,戴着
He is dressed in black.
他穿黑衣服.
5.朝,向
She hurried away in the opposite direction.
她朝相反的方向匆匆离去.
6.(表示手段、方法、材料)用,以
They paid in cash.
他们用现金支付.
7.在...期间;在...以后
He'll come back in a week.
他将于一周之后回来.
I haven't met her in a long time.
我好长时间没有遇见她了.
8.处在...中
The room was in disorder.
房间里乱七八糟.
9.(表示数量、程度、比例)按,以;在...中
One child in twenty has this disease.
二十个小孩中有一个患有这种疾病.
10.在...身上,在...上
In him I see a future leader.
我在他身上看到了一个未来的领袖人物.
11.(表示过程)在...当儿;在...过程中
The work is in progress.
这工作正在进行中.
12.(表示动作的方向和结果)进入到...中;成,为