According to the "Guangyun" (Guangyun), it is marked as Chu Jia qie, and according to the "Jiyun" (Jiyun), it is marked as Chu Jia qie, with the same pronunciation as "chai". The "Boyan" (Boyan) explains it as "㼮㼽", meaning to grind. The "Guangyun" also mentions another saying: it refers to grinding tiles into fragments to scrub utensils. In addition, in the "Jiyun" (Jiyun), it is pronounced Mo Gai qie, with the same pronunciation as "mai"; and Chu Jia qie, with the same pronunciation as "cha". The meaning is the same as before. Furthermore, in the "Wuyin Jiyun" (Wuyin Jiyun), it is pronounced Qi Ji qie, with the same pronunciation as "qi". It means to build bricks and lay tiles.