不徐不疾

Explanation: Xu: slow. Illness: Fast. Unhappiness is not slow, calm nature. 　　Source: "Zhuangzi Heaven" is not no disease Xu, purest hand, but should be in it. " 　　Examples: At first glance at first Jew first Ao Xiang, ~, and later played music to promote, she circled incessantly. (Qing Chu who was "Orientation of" thirty-ninth back)