In and out
It's a Chinese idiom. Pinyin is j ì NTU ì zh ō ngsh é ng, which means that both advance and retreat conform to the rules. From Chuang Tzu Da Sheng.
Analysis of Idioms
Advance and retreat ink rope
The origin of Idioms
According to Chuang Tzu Da Sheng, "dongyeji sees Chuang Gong with his imperial power. He is in the middle of advance and retreat and in the middle of rule."
Idiom usage
Used as an object or attribute; used in dealing with affairs. Example: Lu Buwei's Lu Shi Chun Qiu Shi Wei in the Warring States period states: "the husband, turning left and right, is in the middle of the rule, so there is no way to make the father more powerful."
In and out
spilled water cannot be gathered up - fù shuǐ nán shōu