Unicode 5.2
Character
Pinyin SI1 Jyutping si1
Cihai, Zhonghua Bookstore, 1983 1198.405

Unicode 12.1
Character
Pinyin Jyutping si1
Cihai, Zhonghua Bookstore, 1983 1198.405

Records 1 - 2 of 2 retrieved in 83 ms