What is a bean juice lamp razor?

Scraping the toilet with bean juice is a common saying in Beijing dialect, which means that one thing needs to be done step by step, and it cannot be taken lightly or carelessly.

Specifically, bean juice is a traditional snack in Beijing, and it is a drink made of soybeans. It needs to be made according to strict formula and production technology, otherwise it will affect the taste and quality. Lights refer to the windows of traditional houses in Beijing, which need to be done according to the rules, and the size and direction are strictly regulated. Shaving means fine trimming with a knife. Generally speaking, shaving with bean juice means to be careful and follow the rules, otherwise it will affect the quality and effect of things.

Get in the way: trouble, get in the way. Don't open your face: embarrassment is often used to wipe your face.