His areas of interests include lexical semantics, morphology, Construction Grammar, and syntax-semantics interface. He was a visiting Ph.D. student with German FrameNet at UT Austin under the supervision of Hans C. Boas from September 2006 to April 2007, and got his PhD degree in linguistics from National Tsing Hua University, Taiwan in 2008. His dissertation topic is on the resultative constructions in Mandarin Chinese. He is working on the lexical semantics of Hakka (a Sinitic language with speakers mainly in Taiwan and China) with a corpus-based approach.