Li Bai (701-December 762), whose name was Taibai, was named Qinglianjushi, also known as “The Immortal”. A great romantic poet in the Tang Dynasty, he was hailed as “The Immortal of Poetry” by future generations, and he was called “The Immortal of Poetry” together with Du Fu.
长门怨[1]
（二首其一）
天回北斗[2]挂西楼，
金屋无人萤火流。
月光欲到长门殿，
别作深宫一段愁。
长门宫是汉武帝的陈皇后居住的冷宫。陈皇后小名阿娇，汉武帝小时曾说：“若得阿娇为妇，当作金屋贮之。”所以后世就有“金屋藏娇”之说。不料阿娇从金屋打入了冷宫，长门怨也就变成了冷宫怨。这一首写景不写人，金屋景色凄清，天上只有北斗横斜，地上只见萤火流动，明月洒下幽光，照着长门深宫，显得愁上加愁，分外凄凉。
注释：
[1]长门怨：古乐府诗题。
[2]天回北斗：北斗七星。古人往往据初昏时斗柄所指方向以定季节。《鹖冠子·环流》：“斗柄东指，天下皆春；斗柄南指，天下皆夏；斗柄西指，天下皆秋；斗柄北指，天下皆冬。”此句指此时节为秋。
Sorrow of the Long Gate Palace[1]
(I)
The plough has turned around and hangs o’er Western Tower,
None but the fireflies sail the gloom of Golden Bower.
The lonely moon which peeps in Palace of Long Gate
Will shed more sorrow on the dweller desolate.
注释：
[1]The Long Gate Palace was the dwelling of a disfavored queen of the Han Dynasty.
Changmen Palace was the cold palace where Empress Chen of Emperor Wu of Han lived. Empress Chen’s nickname was A Jiao. When Emperor Wu of Han was young, he said: “If I could marry A Jiao, I would keep her in a golden house.” Therefore, there is a saying in later generations: “A Jiao is hidden in a golden house.” Unexpectedly, A Jiao was sent from the golden house to the cold palace, and Changmen Yuang became Cold Palace Yuang. This poem describes the scenery but not the people. The scenery in the golden house is bleak. There is only the Big Dipper slanting in the sky, and only fireflies can be seen on the ground. The bright moon casts a faint light, illuminating the deep palace of Changmen, which makes it look even more sad and desolate.
