Who would have thought that all my life, I was bent on killing the enemy frontier, but my body could only die of old age in Cangzhou. Unexpectedly, in this life, my heart is in Tianshan Mountain, and my body is in Cangzhou, which is the poem in Lu You's "Complaining about my feelings, when Wan Li seeks a title". Among them, Tianshan Mountain was in the northwest of China, and it was a frontier during the Han and Tang Dynasties. This refers to the northwest front of the stalemate between the Southern Song Dynasty and the Jin State. Cangzhou is a place near the water, which was often used to refer to the place where hermits lived in ancient times. Who would have thought that I had killed the enemy frontier all my life, but my body could only die of old age in Cangzhou? Expressed the author's grief and indignation that he could not serve the country.