What is the meaning of "lock" in the sentence "Lonely phoenix tree deep courtyard locks clear autumn"?

Closed, closed, depressed, etc. The whole sentence means that the lonely buttonwood tree is locked in the deep courtyard, "clear autumn", the meaning of the years, the original sentence means that women are trapped in the shackles of feudal ethics, like buttonwood trees locked in high-walled courtyards, which is the tragedy of the times.

Li Yu's Meet You Huan

There is nothing to say when you go to the west wing alone. The moon is like a hook, and the solitary phoenix tree locks the autumn courtyard.

Cut constantly, the reason is still chaotic, it is sadness, don't have a taste in your heart.

Li Yu, the monarch of the Southern Tang Dynasty in the Five Dynasties and Ten Kingdoms period, reigned from 96/kloc-0 to 975, with a strong word. His first name was Jia Cong, and he was named Zhong Yin and Lotus Peak layman. Han nationality, born in Pengcheng (now Xuzhou, Jiangsu). Li Jing, the sixth son of Southern Tang Dynasty, succeeded to the throne in the second year of Song Dynasty (96 1). In the eighth year of Kaibao, the country broke the Song Dynasty and was captured to Bianjing, where he became a general and disobeyed orders. Later he was poisoned by Song Taizong. Although Li Yu doesn't understand politics, his artistic talent is extraordinary. He is good at calligraphy, painting, melody, poetry and writing, especially at words. Famous works of past dynasties, such as, Langtaosha, Wu Yeti, etc. Li Yu, known as the "Emperor of Ci", is a monarch of national subjugation, so his poems inevitably reveal a sense of sadness.