Zi Collection, Upper Volume, Page 1, Entry 01 Radical: Mouth (kǒu) Pronounced lui (falling tone). The "Tang Yun" (Tang Yun) and "Ji Yun" (Ji Yun) record it as "lu dui qie," with the same pronunciation as "lei." The "Shuowen Jiezi" (Shuowen Jiezi) explains it as Laiyang County in Guiyang Commandery. The "Qian Hanshu · Dili Zhi" (Book of Han, Treatise on Geography) writes it as "lei." Also, the "Guang Yun" (Guang Yun) annotates the pronunciation as "luo wei qie," and the "Ji Yun" (Ji Yun) annotates it as "lu wei qie," with the same pronunciation as "lei." The meaning is the same.