prep.

1. ……的，属于
   One of the legs of the table is broken.

   桌子的一条腿坏了。

   Mr. Brown is a friend of mine.

   布朗先生是我的朋友。

2. 用……做成的；由……制成
   The house is of stone.

   这房子是石头建的。

3. 含有……的；装有……的
4. ……之中的；……的成员
   Of all the students in this class, Tom is the best.

   在这个班级中，汤姆是最优秀的。

5. 表示同位
   He came to New York at the age of ten.

   他在十岁时来到纽约。

6. 表示宾格关系
   He gave a lecture on the use of solar energy.

   他就太阳能的利用作了一场讲演。

7. 表示主格关系
   We waited for the arrival of the next bus.

   我们等待下一班汽车的到来。

   I have the complete works of Shakespeare.

   我有莎士比亚全集。

8. 来自……的；出自
   He was a graduate of the University of Hawaii.

   他是夏威夷大学的毕业生。

9. 因为
   Her son died of hepatitis.

   她儿子因患肝炎而死。

10. 在……方面
    My aunt is hard of hearing.

    我姑妈耳朵有点聋。

11. 【美】（时间）在……之前
12. 表示具有某种性质
    It is a matter of importance.

    这是一件重要的事。

prep.

1. expressing the relationship between a part and a whole.
2. expressing the relationship between a scale or measure and a value.
   ▸expressing an age.
3. indicating an association between two entities, typically one of belonging.
4. expressing the relationship between a direction and a point of reference.
5. expressing the relationship between a general category and something which belongs to such a category.
6. expressing the relationship between an abstract concept and a noun denoting the subject or object of the underlying verb.
7. indicating the relationship between a verb and an indirect object.
8. indicating the material constituting something.
9. N. Amer. expressing time in relation to the following hour.