Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Xu can be a pinyin transliteration of one of several Chinese surnames: 1. traditional Chinese: pinyin: Xú; Wade-Giles: hsü2, also spelled Hsu or Tsui or Eu 2. simplified Chinese: traditional Chinese: pinyin: X ; Wade-Giles: hsü3, also spelled Hui or Hii They are both pronounced somewhat like shoo, with the oo pronounced as in the French u or German ü, a sound with no exact equivalent most dialects of English. In Chinese, the pronunciations of the two names differ in tone: Xú and X .