What does it mean to ask how much sorrow you can have, just like a river flowing eastward?

Think of sadness as a spring, the most appropriate, vivid and persistent sadness.

Extended data

《? When is the spring flower and autumn moon? Is it the Southern Tang Empress in the Five Dynasties and Ten Kingdoms Period? What Li Yu said on the eve of poisoning was desperate. This is a sad song of life. By comparing the sharp contradiction between the eternity of nature and the impermanence of life, the author expresses the sorrow of life failure after the national subjugation.

The language of the whole poem is clear, concise, beautiful and fresh, with questions and answers, from the question of heaven and man to the question of self. Through the intense tone and tortuous artistic structure in sadness, the author's melancholy runs through and forms a refreshing aesthetic effect.