Pronounced bu ge (falling tone) in Guangyun, and bo ge (falling tone) in Jiyun, same pronunciation as "bo". Guangya explains: a castrated ram in the Wu region is called ni. Additionally, Jiyun also provides the pronunciation fang yu (falling tone), same pronunciation as "fu". Yupian records: ni xi is a type of wild beast, resembling a sheep, with nine tails, four ears, and eyes on its back. Sometimes also written as.