1. It's rare to be confused about Zheng Banqiao.

2. It's hard to be confused, which means that people are hard to be confused when they should be confused, which means that you don't have to care too much about everything; "It is rare to be confused" is a famous saying handed down by Zheng Banqiao during the Qianlong period of the Qing Dynasty, and it is his own situation as an official and a road to life. Later generations felt that the word "rarely confused" was rich in philosophy, so they hung it at home in the form of banners as a warning for their daily life.