Short lines and pipa lines are also lines. Why are their lengths obviously different?

Short lines and pipa lines are two different poetic styles with different forms and lengths.

First of all, short sentences are a kind of Yuefu poems, which are usually used to express the author's short and profound feelings. Short songs are characterized by short length, generally only a few tens to hundreds of sentences long. At the same time, short songs usually adopt the rhythm form of four words, five words or seven words, with concise language and lively rhythm, showing a concise, lively and powerful style.

Pipa is a long poem, usually sung by pipa players or poets themselves. Pipa is famous for its rich content, free form and strong expressive force. It is usually very long, usually with thousands or even tens of thousands of sentences. Pipa generally adopts the rhythm of five or seven words, but there are also cases where it doesn't rhyme. Its language is beautiful and fluent, showing a free, free and easy, smart style.

Therefore, short songs and pipa lines are obviously different in length because they have different poetic styles and different forms and characteristics. Short songs focus on expressing the author's deep feelings, while pipa pays more attention to expressing the poet's inner feelings and thoughts, with richer content and form.