This booklet starts with the detailed explanations of two inadequately translated concepts. The first one is Master Yang Chengfu''s " Song kai", which has been inadequately translated as "relaxed or relaxation". The second one is the Peng form of concentrated Tai Chi power, called Peng jin in Chinese. It has been inadequately translated as "warding off". Another common mistake is the use of the Chinese character, for . According to the Kangxi z?din,...