A courtyard residence,si he yuan,is a yard enclosed by houses in four directions.

庭院让中国家庭团聚四合院是四合院，四合院是四合院。

It is a closed residence with only one gate leading to the outside.

这是一个封闭的住宅，只有一个门通向外面。

Houses on the north are the largest ones and used as the owners’ bedrooms.

北部的房屋是最大的房屋，用作业主的卧室。

The arrangement represents the hierarchy in a family.

排列代表了家庭中的等级制度。

The screen wall stands behind the gate to protect the residents from wind-blown sand.

屏风矗立在大门后面，保护居民免受风沙的侵袭。

Chinese believe that the screen wall can also ward off bad luck.

中国人相信屏风还可以辟邪。

Therefore,the wall is usually decorated exquisitely.

因此，墙面通常装饰精美。

The si he yuan is intended to unite all the family members to enjoy a harmonious and happy life together.

四合院旨在团结所有的家庭成员一起享受和谐和幸福的生活。