smart as a rule
Chinese idiom, Pinyin is C ō NGM í ngy ī sh ì, which means that a person is smart all his life. From the ancient and modern novels: Teng Dayin breaks his family property.
The origin of Idioms
Feng Menglong of Ming Dynasty wrote in the ancient and modern novels: Teng Dayin's ghost breaks his family property: "if I can't break it, I'm not wise. Every day when I leave the hall, I will show my paintings and play with them
Idiom usage
It is often used with "muddle headed for a while". A 69 year old man, on the contrary, is wise and confused for a while. He teaches a group of monkey bastards to eat. Lao She's Camel Xiangzi
smart as a rule