This poem mainly expresses the author's sadness.
Strange Night is a five-character poem written by Du Fu, a poet in the Tang Dynasty. This poem not only writes about the customs of the journey, but also writes about the sadness of the old, the weak, the sick and the wandering mood. The first couplet is a close-up of a river night, depicting the lonely state of being alone on a moonlit night. Couplets are written with a long-term vision, vigorous and broad. The "falling stars" set off the vastness of vilen, and the "surging moon" set off the momentum of the river, writing a sad mood with joyful scenes, reflecting his lonely image and sad mood. Necklace is a satire, expressing the anxiety and anger of retired officials. The poet resigned because his articles were famous and his lofty political ambitions were suppressed for a long time. In the final couplet, the poet compared himself with Sha Ou, touching the Jianghu and sighing deeply. The first two couplets of the whole poem point out "nocturnal travel", and the second couplet is closely related to "book". It is a classic in Du Fu's poems, with profound content, beautiful style and rigorous structure.