What does it mean for an insider to watch the door and a layman to watch the excitement?

Experts mainly look at things by their methods and essence, while outsiders can only look at their appearance and excitement.

According to Baidu Encyclopedia information, it is a common saying that insiders watch the door and laymen watch the excitement. His definition is: expert, refers to a person who has extensive knowledge and experience in a certain thing or job. Taoism, tips and methods of doing things. A layman refers to a person who does not understand or has experience in a certain thing or job. The whole meaning is: Experts mainly look at things by their methods and essence, while laymen can only look at things by their appearance and excitement.

Slang is a language unit created by the masses in Chinese vocabulary and spread in the spoken language of the masses. It is a colloquial and popular language unit. It is a stereotyped sentence that is popular and widely popular. It is concise and visual. Most are created by working people. Reflect people’s life experiences and aspirations. Common sayings, also known as common sayings and proverbs, are synonymous with each other.