The Weaver Girl: The legendary protagonist of the Chinese Valentine's Day, a virgin from Yaochi, weaves on July 7, using the paulownia tree as the machine and the seven toughnesses as the weft. Dongfang Shuo's "Qi Xie": "The Weaver has seven latitudes and Altair has seven shafts."
South Star: The South Pole Star, with clear direction, refers to night travelers and southern navigators.
Miǎomí: short rain.
Ben Tao: describes heavy rain as a surging river.
A new song and a glass of wine: a pun. A new word in a song refers to poetry; a glass of wine expresses feelings about the impermanence of the world and soothes sadness.
Last year’s weather: refers to the severe drought in the second year of Changqing reign of Emperor Mu Zong of the Tang Dynasty (823 AD). Du Fu was in Shuzhong at that time and experienced the drought personally.
Half-rascal when visiting old friends: When visiting old friends, he half-jokingly said that he was a rogue, which meant to describe his behavior as bohemian, but also somewhat self-deprecating.
Add a new sentence: It means that you have written a new poem, indicating that you are still creating.
Double Ninth Festival: Double Ninth Festival, the ninth day of the ninth lunar month.
"Vega's Southern Star" is a famous poem by Du Fu, a poet in the Tang Dynasty. The above is the annotation of this poem.