2. Uncle: ㄐㄧㄡ?. Shuo Wen Jie Zi: "Uncle, my mother's brother is my uncle, and my wife's father is my uncle. From men to mortars. " . A mortar is an example where the shell is cracked or peeled off. Male and mortar examples overlap. Only by peeling into the mortar can we understand that the relationship between this man and himself in the family is the paradigm of my uncle.