怎样使用At, In, Off and With

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                                  At, In, Off and With

在表示地点和位置时，说话人的个人角度会影响对介词的选择。at通常用于表示居住地点和某个停留地点、工作地点等，而in表示里面或包围的含义：

I'll see you at the station.    我将到车站送你.

On the way home, we stopped at a small village called Puddleton.

There were a lot of people in the street.    街上有许多人.

Let's go for a walk in the park.    让我们到公园去散散步.

off常与动词连用，表示位置的变化，即“与……分离”，可译为“脱掉，脱落”（相当于away from或down from的意思）等，其反义词为on：

The lid came off easily.    这个盖子很容易掉.

The pencil rolled off the table.   铅笔滚到桌子下面去了.

描写人时，in通常用于表示穿着，后面加衣服或颜色，with则表示身上的某个具体特征或随身带着、拿着什么：

He looks handsome in that uniform.

That man with long hair is supposed to be a poet. 那个留着长发的男人应该是个诗人.

The police are looking for a man with a scar on his face.

The woman with the brown handbag and long umbrella is a famous novelist.

A child came along with a brown dog.