铿镪顿挫

Explanation: Keng sulfuric acid: the rhythmic and loud voice. Describe a harmonious temperament powerful, beautiful. 　　Source: Qing Cao Xueqin's "Dream of Red Mansions," the twenty-second back to the opera is a 'North Dianjiangchun' hang offerings frustrated, needless to say rhythm is good. " 　　Examples: The opera is a "North Point red lips', ~, rhythm is not good. (Qing Cao Xueqin, "Dream of Red Mansions," the twenty-second back)