Thirty days have passed since first frost. From the state of vegetation, we can see that there are only a few days left in autumn.
' first frost' is the name of the lunar solar term; Ten-day' is a way to express the date, and ten days is ten days; "You" refers to the ancient time when you planted a grass "You're a pod", and you can infer the date by looking at the state of "You're a pod". The word' Yu' is the same as' Yu', meaning' surplus' and' residual'
This poem comes from the poem "September is over" given by Yuan Zhen in the Tang Dynasty: after first frost's thirtieth birthday, he left a Ye Qiu.
Thirty days have passed since first frost, and the state of vegetation shows that there are only a few days left in autumn.
Extended information
first frost's poem:
Autumn in Jingmen by Li Bai in the Tang Dynasty
Frost fell on the trees in the Jingmen River, and the canvas was hung in the autumn wind.
this trip is not for silver carp, but for the famous mountains.
Translation:
Autumn frost fell on the leaves of Jingmen River, and the cloth sail was hung on the pole intact to attract the autumn wind.
I didn't go out this time for the bass silver carp, but I loved famous mountains, so I went to fish.