neither fast nor slow
It's a Chinese idiom. Pinyin is B ù J ǐ Nb ú m à n, which means to describe calm mood and calm action. It's from Jing Hua Yuan by Li Ruzhen in Qing Dynasty.
The origin of Idioms
Chapter 19 of Jing Hua Yuan by Li Ruzhen in Qing Dynasty: "in contrast, it's not good to walk, it's not good not to walk; it's not good to walk fast, it's not good to walk slowly, it's not good not to walk fast, it's not good not to walk slowly; I don't know how to do it!"
Idiom usage
Example 1. In the second inning, Murphy, who lost the first inning, made some adjustments. He showed his ability to encircle the ball incisively and vividly, scoring 74 points in one shot and pulling back the first inning with a total score of 79-4. 2. Even in the face of dozens of reporters, James still seems to be leisurely and answer questions. (3) Mr. Zhou, sitting in front of us, is bright and energetic. He wears a cap and a gray jacket. He speaks succinctly and incisively. His tone is gentle and his words are sonorous. He is well-organized and does not slow down. When he narrates, he always has a kind smile on his face. 4, the math teacher said slowly: "I was scared away when I counted the decimal points (freckles) on your face!"
Chinese PinYin : bù jīn bù màn
neither fast nor slow
A man without faith does not know what he can do. rén ér wú xìn,bù zhī qí kě
clean oneself and perform a duty. jié jǐ fèng gōng