The word is strict and the meaning is secret
Yan Yimi is a Chinese idiom. Pinyin is C í y á NY ì m ì, which means that the wording is rigorous and the reason is thorough. It's from the book the story of man Ting meeting the immortals.
The origin of Idioms
"Jiandeng Yuhua · Manting Yuxian Lu" says: "all the Confucians in Song Dynasty understand the principle of justice, and their words are strict and confidential, so there is no more implication."
Idiom explanation
The wording is rigorous and the reason is thorough.
Idiom usage
As a predicate or attribute; used in writing or speaking, etc.
The word is strict and the meaning is secret
An inch of foot and a foot of foot - cùn tí chǐ jiān
Slander the heart and the stomach - xīn bàng fù fēi
make frivolous remarks about sb . 's appearance - pǐn tóu lùn zú