Red couplet antonym

Gutter interpretation

Exposed drainage ditch. Ming Lang Ying's "Seven Revisions, Seven Things, Yanggou Jizong": "The Annotation of Ancient and Modern China says: 'Sheep like to collide with the wall, which is separated by the ditch, so it is called Yanggou.' If today's people are dark, they will be a sewer, and then the Ming will be a Yanggou." Volume V of Liu Xianting's "Guangyang Miscellaneous Notes" in the Qing Dynasty: "Those who cover the hidden ground are called sewers, and those who appear on the ground are called Yanggou." ◎ Yanggou y á ngg ō u [ditch; Opendrain] open drain. It is also called "Yanggou".

Antonym of gutter

Underdrain àn gōu　
Underground drainage ditch. The third act of Laoshe's "Longxu Ditch": "The plan of ditch repair is to build an underground ditch first, and then fill in the old open ditch." The ditch set underground is used to drain dirty water. [Sentence] He made a mistake, and his change fell into the ditch. Install ditches in the ground to dredge dirty water.
sewer yīn gōu　
1. Underground drainage ditch. Tang Qiuguangting's book, Yang Gou, also known as the Ming Book: "Where there is an open ditch, there are those who fill it with earth. The one who fills the upper part of the ditch is called the sewer, and the one who exposes the upper part of the ditch is called the Yanggou." The second part of Yuan Wuming's book, Shennu Er: "You and I will bury this boy in the sewer." Volume 17 of Xu Guangqi's book on agricultural policy in the Ming Dynasty: "The sewer is also used to walk through the water." Shen Congwen's Autobiography: I read a small book and a big book at the same time: "But the most enjoyable thing is that after the heavy rain, many places on the street have been flooded by water, and many places are flooded with water from the sewers. As a rule, there are often people in these places who cannot get over, but I am red