Mezue nkebi ahịrịokwu a: N'egwuregwu Olimpik nke 2004 e mere n'Atens, Wu sụrụ mmiri naanị n'asọmpi abụọ, otu n'ime ha dị otu ụbọchị. O biputere oge ntinye FINA B nke 52.03 (100 m freestyle) na 2:08.12 (200 m onye ọ bụla) site na National University Games na Taipei. N'ụbọchị nke ise n'egwuregwu ahụ, Wu gbara onye nke iri ise na anọ n'asọmpi ahụ.
100 m n'ụdị nnwere onwe. O meriri Mark Chay nke Singapore iji were ọnọdụ nke asaa na okpomọkụ atọ site na otu ụzọ n'ụzọ anọ nke abụọ (0.25) na 52.58. N'ụbọchị na-eso ya, Wu jisiri ike megharịa mgbalị nke iri anọ na anọ na 200 m medley. Na-egwu mmiri na okpomọkụ nke abụọ, Wu zọpụtara ebe nke isii n'elu Turkey Orel Oral site na 0.12 nke abụọ na 2:08.72.