What is the poem that points out the main idea?

A cloud rose between the light of heaven and me, hiding his city from my melancholy heart.

These two poems imply that the emperor has been surrounded by adulterers and that state affairs have been corrupted, expressing the poet's deep feeling that he can't serve the country.

The original poem is as follows: "On Nanjing's Landing on Phoenix Terrace"

Lipper

There used to be a phoenix on the phoenix platform, and the phoenix went to Taiwan, only Jiangdong returned.

Martial arts flowers were laid on deserted paths, and the number of relatives and friends in the Jin Dynasty has become a famine.

The mountains are shrouded in clouds, such as blue sky, and the river is divided into two.

There is always a traitor in power, like covering the sky, and Chang' an is depressed when he can't see it.