sum chinese speech error week ago send query linguist list ask reference topic speech error chinese thank those kindly reply information advice question please interest topic disappoint little research reportedly field read few papers error chinese handwrit much report oral error sum reference far linguist list shen jiaxuan kou wu leus leus zhongguo yuwen moser david slip tongue pen chinese sino platonic paper grateful response promise keep further reference still wonder one question keep ask myself chinese speaker speech error err remarkably less english speaker thank yang weus dept linguistic university victorium 