“四字骈语”是在形式和意义上都有独特性的一种“四字格”结构 ,是一种介于成语和自由短语之间的成分。它具有结构成分的成词性、结构形式的相对固定性、结构意义的整体性等特点。可以分为平列型和顺序型两个基本类型。它的内部语序按声调抑扬律 (包括平起仄收律、平仄相间律 )和四声顺次律排列 “Four-character 骈 language” is a kind of “four-character” structure which is unique in form and meaning, and is a component between idioms and free phrases. It has the structural components of the word, the relative fixedness of the structure, the structural significance of the integrity of the characteristics. Can be divided into two types of flat-type and sequential type. Its internal order of the tone according to the law of inhibition (including flat and smooth law, plain and flat law) and four consecutive order