Guangyun (Guangyun) uses the characters "ji" and "li" for pronunciation, while Jiyun (Jiyun) and Yunhui (Yunhui) use "qi" and "li" for pronunciation, with the same pronunciation as "ji". Shuowenjiezi (Shuowenjiezi) explains it as: rapid. The character shape is composed of the "heart" radical and the "ji" phonetic component. Another explanation is: a cautious and steady appearance. Guangyun (Guangyun) explains it as: impatient temperament, mutually contradictory. In Liezi (Liezi), "Li Ming Pian", there is the sentence "ji ling sui". Shiwen (Shiwen) explains: "ji" means "to eat" (difficult speech). Furthermore, Jiyun (Jiyun) uses the characters "ke" and "ge" for pronunciation. It is the same as the character "lie". It means to adorn, to be cautious. Boya (Boya) explains it as: love.