If there was a word in the middle of the name of the brother and sister surnamed Wu, they could refer to the following names: 1. Wu Jiayi 2. Wu Jiaxin 3. Wu Jiaxin 4. Wu Jiayue Wu Sihan 6 Wu Siyu Wu Zixuan Wu Zixuan Wu Zilin Wu Zihang These names all contained the surname "Wu" and the words "Jia","Xin","Xin","Yue","Si","Han","Yu","Lin","Hang", etc. They were more artistic, fresh, unique, and easy to remember and write. Of course, the specific name choice still had to be decided according to personal preferences and the storyline.