1. The original meaning of kai refers to good iron, and later became another name for iron. In the naming, it can be extended to mean that the iron pestle becomes a needle and the selfless person.
2. The meaning of Kai as a boy's name means majestic, iron-clad, and iron-clad. Kai has a fierce temperament and resolute momentum, and is also suitable for boys to extend their masculine and tough inner nature.