You say it's boring, but you can bear it if you think about it. How to express ancient poetry?

Bite your head, thick-skinned, and get a bite of mud when you go out. Don't mind other people's business, close the door and take care of yourself.

Self-defeating: if you don't do something well, you will embarrass yourself. Origin: "The oranges crossing the Huaihe River are bitter oranges": "The King of Chu said with a smile:" A saint can't tease casually, and I am bored myself. Example: If people can't guess who you are, they are asking for trouble. It's really boring to talk to such an arrogant person.