Chang reveals that while in junior high school he and his friends created their own words. One example was their use of the Mandarin for the element francium, which is highly radioactive, as a code word for being overly active.
〉中揭露，自己在初中時與同儕也會自創語言，他們以化學元素「琺」來表示過度活潑、調皮之極，如：「你也太『琺』了一點吧？