drink three cups of wine as forfeit
Jingu Jiushu, a Chinese idiom, Pinyin is j ī ng ǔ Ji ǔ sh ù, which means the argot of punishing wine for three dues. In the old days, it generally refers to the number of dues of punishing wine for banquets. From the preface to poetry of Jinguyuan.
Notes on Idioms
Jingu: garden name, Shi Chongjian of Jin Dynasty, in the northwest of Luoyang City, Henan Province.
The origin of Idioms
Shi Chong's preface to Jingu poetry in Jin Dynasty said, "then they wrote poems to express their feelings. If they could not, they would be punished for drinking three times."
Idiom usage
It refers to the common practice of punishing three drinks at a banquet.
Examples
If you can't, you will be punished according to the amount of money and wine. The 40th chapter of Water Margin by Chen Chen in Qing Dynasty
Chapter 40 of the Water Margin: "if you can write poems, you should do them separately; if you can't, you should be punished according to the Golden Valley and wine."
drink three cups of wine as forfeit
would not explain unless one is desperately anxious to learn - bù fèn bù qǐ
covered all over with cuts and bruises - biàn tǐ lín shāng
A bull's head is not a horse's mouth - niú tóu bù duì mǎ zuǐ