The original intention of the embolus is to tie the child, and it is usually used to give the child a nickname or nickname. The name Shuanzi means that the child can resist wind and frost and grow up healthily.
In the past, people believed that giving a child such a vulgar and mean name would make the child easy to support, able to withstand beatings and illness, so adults chose the name in a practical way. As time goes by, one or even two generations have such nicknames, so the names are not so unpleasant, but rather pleasant to the ears, reflecting an ancient Chinese rural culture.
Extended information
The origin of the nickname:
Folklore believes that the elders directly use the names of the surrounding flowers, birds, fish, insects, or gold and stone artifacts as their names. A nickname for a child. This nickname is easy to remember and catchy. For example, Cao Cao's nickname is Ah Ma, Gu Kaizhi's nickname is Hutou, Tao Yuanming's nickname is Xigou, etc.
Elders give children nicknames to identify their ranking in the family. Such as Ah Da, Ah Er, etc. There is also a way to name children out of superstition. The ancients also believed that it was easier to support a child by giving him a mean name. Some children are called "Amao", "Agou", "Tiedan", etc.