第1组：

1. be good at: 擅长

I was good at writing English compositions.

我擅长写英语作文。

2. be good for : 对…有用/有好处/有利

This medicine is good for a cold

这种药对感冒有好处。

3. be afraid of (doing) something:

害怕某事/害怕做某事

I am afraid of snakes.

我还怕蛇。

He was afraid of losing face.

他担心丢面子。

第2组：

4.be afraid to do something:

（因没有勇气）不敢做某事，害怕做某事

Don`t be afraid to ask for help : 不要害怕请求帮忙。

He is afraid of being beaten by his father.

他怕被他爸打。

5. arrive in/at = get to = reach: 到达

arrive in 表示到达达地点，

My best friend arrived in Australia last Monday.

我最好的朋友上周一到达了澳大利亚。

arrive at表示到达小地点

The visitors arrived at the hotel this morning.

游客们今天早上到达了宾馆。

第3组：

6. be made of 用…制成（看的出原材料）

The book is made of paper 书是由纸制成的

7. be made from用…制成（看不出原材料）

The paper is made from wood.

纸是由木头制成的。

8. be/get used to doing something : 习惯于做某事

He was used to staying up late.

他习惯于熬夜。

9. used to: 过去常常做某事

She used to do all the baking on Thursday.

过去她常常在周四烤东西。

第4组：

10.be used to do something : 用来做某事

Wood is used to make paper.

木头用来做纸。

11. In front of : 指在外部空间的前面

There are some trees in front of the house.

房子前面有一些树。

12. In the front of: 指在空间内部的前面

The driver sits in the front of the bus.

司机坐在公交车前面。