牛鼻子 Traditional form: 牛鼻子 Pinyin (reading): niúbízi Definitions: key point crux (old) Daoist (facetious) Characters: 牛 - ox, cow, bull 鼻 - nose; first 子 - son, child; seed, egg; fruit; small thing Traditional characters: 牛 - ox, cow, bull 鼻 - nose; first 子 - son, child; seed, egg; fruit; small thing