"compare, compare this thing with another thing"; "Monkey, say something else first so that the lyrics can be sung."
Generally speaking, comparison is a metaphor, a metaphor that visualizes people or things, making its characteristics more distinct and prominent. Some poems are partial comparisons, and some are overall image comparisons, just like poems describing objects in later generations;
"Xing" means rising, that is, using other things as the starting point of poetry to arouse the content to be praised. Some "Xing" has the dual functions of origin and metaphor, so the word "Bi Xing" is often used to refer to the meaning of poetry.
Jia Xu is a love poem, which describes the love psychology and feelings of an infatuated person. It is very real, tortuous and moving.
"Jiaxu" is a general term for reed and reed, both of which are born near water. "Jian Peijun is pale and the white dew is frost" describes the cool scenery of reeds in an autumn, with broad white dew and thick frost, which secretly reflects the hero's mood at this moment.
The three chapters of this poem are all inspired by autumn scenery, which is the desolation on the shores of autumn water. The so-called "pale, a thousand years is frost", "qi, a thousand years is not beautiful" and "Cai, a thousand years has not returned" are all metaphors used. In other words, the poet's sad mood is also enhanced by such a cool autumn scenery, and the image is concrete.