Possible names: Xu Shiyu (Yu, meaning treasure.)
Xu Shiduo (Duo, meaning the big bell used in ancient times to announce political and religious laws or when there was war.)
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Xu Shikai (armor, a protective garment worn by ancient soldiers in battle, mostly made of metal pieces.)
Xu Shishen (煅, meaning a kind of jade, Shen, is Yang gold.)
For reference.