We know what is the theme of your bittersweet feelings towards Du Fu.

We understand that your sadness and joy are the main theme of Du Fu's praise and admiration. Highlight Du Fu's influence abroad and his recognition by westerners, and express his praise and admiration for Du Fu. Qian Hongli, the author of We Know Your Sorrow and Happiness for Du Fu, expressed his praise and admiration for Du Fu by highlighting his influence abroad and his recognition by westerners. The author highlights that Du Fu's poems have the characteristics of breaking through the cultural barriers between China and the West and connecting people's hearts, thus highlighting the humanistic value of Du Fu's poems.