What is the last sentence of not interacting with each other?

It's an idiom not to contact when you're old or dead.

This idiom is pronounced as l m: l m: o s ǐ b ? xi ā ng w m: ng lá i m: ng lá i, which means that even though the people of the two countries get along very closely and have close contacts with each other, they never contact each other.

Source: "Tao Te Ching" Neighborhood confrontation, the sound of chickens and dogs is endless, and the people are not happy until they die.

Usage: as predicate and attribute; Describe that the two have never been in contact.

antonym

You come and I go, a China idiom. Pinyin is nǐ lá iǒ w ǒ ng, which means that relatives and friends often contact each other. From the Water Margin.

The origin of the idiom: The Seventy-fifth time in Nai 'an's Water Margin: "See this Li, what is being paid to Song Jiang in Zhang Qian House? You want to kill this fellow when you come and go, but you dare not do it because Song Jiang is alone. "

Ex.: In previous years, he actually only knew that there were grudges between people, and you came and I went. -Huo Da's Muslim Funeral, chapter 13.