四六级翻译：四合院
 
四合院（Quadrangle） ，是中国的一种传统合院式建筑，其格局为一个院子四面建有房 屋，从四面将庭院合围在中间，故名四合院。四合院至少有 3000 多年的历史，其中以北京 四合院最为典型。四合院通常为大家庭所居住，提供了对外界比较隐秘的庭院空间，其建筑 和格局体现了中国传统的尊卑等级思想以及阴阳五行学说。
 
参考翻译：
Quadrangle is  a  kind  of  traditional  courtyard  building  in  China.  Its  pattern  is  a  courtyard with houses built on all sides, enclosing the courtyard in the middle from all sides, so it is named Quadrangle. It has a history of at least 3000 years, among which Beijing  Quadrangle is the most typical. Quadrangle is usually inhabited by the extended family and  provides a private courtyard space to the outside world. Its architecture and pattern reflect  the traditional Chinese hierarchy and the theory of Yin and Yang and the five Elements.