Mandarin has four pronunciations. The first and second pronunciations are collectively called "flat voice (not rising or falling)". The second and third sounds are collectively called "squeaks". Couplets pay attention to the company of plain narration, just like the combination of men and women who are tireless and plain narration, which is very pleasant to read.

The easiest way to distinguish the upper and lower parts is "listening level". Generally speaking, the last word of the first part of the couplet is mostly silent; And the last word of the bottom couplet is mostly flat. Find the sentence that ends with the first sound and the second sound, and you will find the bottom line.

Extended data:

Couplets are mainly continuous in two syllables:

Because of the negative effects of Chinese characters on Chinese, people have become accustomed to it for more than three thousand years. The continuous reading of two syllables makes the sentence even, parallel and neat, and people certainly like it.

Couplets are produced according to people's wishes, which is a psychological basis. Of course, the development of couplets lies not only in the form, but also in the rich content it can express in two short sentences. All kinds of characters can use it to express their attitudes, wishes, interests, ideas and so on.

Baidu Encyclopedia-Sticking Couplets-Skills