The layman looks at the excitement, and the expert looks at the doorway.

The next sentence of "amateurs watch the excitement" is that experts watch the doorway.

Correlation analysis: For example, on the road, you suddenly see a person's car engine is broken, so you can repair it. When you are repairing the car, many irrelevant people will come to see your jokes. Why is this man so nosy? See if he can fix it. He's bluffing. You are an expert here, and others just watch you busy.

Explanation: An expert refers to a person who has rich knowledge and experience in a certain thing or job. Doorways, tricks and methods of doing things. A layman refers to a person who has no understanding or experience of something or a job. The whole meaning is: insiders mainly look at the way and essence of things, while laymen can only look at the appearance and excitement.

Make sentences:

1, his boxing is unusual, experts watch the doorway, laymen watch the fun. According to martial arts experts, his movements seem to be few in variety, but steady and powerful, with real kung fu.

Young people don't like this old man's play, mainly because they can't understand it. But real opera fans like to watch it. This so-called expert looks at the doorway, and the layman looks at the excitement.