When he was doing a construction job at Miaoli's Tapu Elementary School, Principal Tseng Hua-ching mentioned that he wanted to start a dance program at the school but couldn't find a teacher. Laughing, Wu pointed at himself and said, "Your dance teacher is right in front of you!"
吳德貴為苗栗大埔國小包工程時，校長曾華精提到想發展舞蹈，卻苦於找不到老師，吳德貴笑笑指著自己，「舞蹈老師就在你面前啊！」