How is Li Sao's antithetical sentence formed?

Duality is often used in Li Sao. According to the overall plan, the whole antithesis is more than 1 sentences; And there have been intricate pairs, such as "the work of fixing the customs is clever, and the rules are corrected; Carry the rope and ink to chase the song, and compete with Zhou Rong. " In a sentence, double tones are often matched with double tones, and overlapping rhymes are matched with overlapping rhymes. The former is like "Yu Yi and Xi Xi", while the latter is like "Chatting at leisure with sheep", and so on. This has formed the characteristics that the poems in Li Sao are neat in strewn at random and full of changes in order. When read, the rhythm is harmonious, the tone is melodious, and there is a kind of ups and downs, singing and sighing. At the same time, Lisao uses a large number of dialect words of Chu, such as "Lu", "Lu", "Mang", "Feng", "Qiang", "Yi" and "Hun" and so on. The use of adjectives in the poem is also very appropriate and innovative. For example, "□□" describes Yun Ni's tumbling appearance, "precarious" refers to the towering trend of the high crown, and "winding" the dragon swims, all of which can be described as follows the sound and looks, and the music is wonderful. Li Sao's high artistic achievement is perfectly combined with its rich and profound ideological content, which makes it a masterpiece in the history of China literature and has a far-reaching influence on later generations. Lu Xun once praised it as "an excellent speech" (Outline of the History of Chinese Literature) and gave it a high evaluation.