My brother's name is Zhao Jiayi, and my brother's name is Zhao Jia.

The word "Hao" refers to a person with outstanding talent, extraordinary boldness of vision and frankness and happiness. When used as a person's name, it means success, elegance, virtue, charm, fashion and nobility. Zhao Jiahao's full name means that the boy is outstanding in appearance, broad-minded and gentleman, so it is suitable for personal name.