Simple and precious
Zhen Du Jian GUI, a Chinese idiom, is pronounced as "Zhen Du Xiu Ji ǎ NGU ì" in pinyin, which means to be cautious when you are alone and to be frugal when you are rich. It's from the new sayings of the world, pinzao, written by Liu Yiqing of the Southern Song Dynasty.
The origin of Idioms
Liu Yiqing of the Southern Song Dynasty wrote in his new sayings of the world: true, simple and noble, not less than father and ancestor
Idiom usage
As an object or attributive, it is used in written language. Lu You's He Xin Ti Ju Qi in Song Dynasty
Simple and precious
to start a fight in sb . else 's house - rù shǐ cāo gē
be mentally and physically exhausted - shēn xīn jiāo cuì
Every other line is like a mountain - gé háng rú gé shān
A probe into the depth of history - tàn zé gōu shēn