Guangyun (Guangyun) uses the sound of mo ben, Jiyun (Jiyun) uses the sound of mo ben, pronounced the same as "men". Shuowen Jiezi (Shuowen Jiezi) explains it as walking slowly. Also, Guangyun (Guangyun) uses the sound of mo guan, Jiyun (Jiyun) uses the sound of mo yuan, pronounced the same as "man". Also, Jiyun (Jiyun) uses the sound of mo huan, pronounced the same as "man". The meaning is the same.