出处：按学科分类—医药、卫生 天津大学出版社《汉英英汉中医大辞典》第323页（315字）
【释义】：
①A case of yin nature in its extreme may show yang symptoms and signs．
②inevitable transmutation of the superposed yin into yang
③Overabundance of yin reverses to yang．
④Yin in its extreme will give rise to yang．