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
Chinese PinYin : zhēn dú jiǎn guì
Simple and precious
How can you let others snore beside your bed. wò tà zhī páng,qǐ róng tā rén hān shuì