Describe ancient idioms

1, washing ears in the mountains: It is said that in ancient times, a hermit got permission and refused to accept the seal of Emperor Yao. He hid in the mountains and washed his ears with spirit water to avoid being polluted by rumors. Now it is a metaphor for seclusion.

2. Three Emperors and Five Emperors: They were originally tribal chiefs in ancient legends of China, and later referred to ancient times.

3. Xu You washes his ears: Xu You washes his ears, which means he doesn't want to be an official.

4. People who know how to live: people who fought against nature in order to survive in ancient times.

5. Cave: Living in caves and in the wilderness, describing the living conditions of primitive people.