Measure the sea with li: Use shells to measure the sea.
It means that observation and understanding are very narrow and one-sided. That is, Li Zhuo. Use gourds to measure sea water. It is a metaphor for being short-sighted and judging people by their short-sightedness.
Sitting in a well and looking at the sky: a metaphor for having a small vision and little knowledge. Used to metaphor and satirize people with narrow vision or superficial knowledge.
Cicadas don’t know snow: Cicadas live in summer and die in autumn, and can’t see snow. It is a metaphor for people who are not well-informed.
The frog at the bottom of the well: The frog at the bottom of the well can only see a patch of sky as big as the wellhead. A metaphor for a person with narrow knowledge.
Li Measuring Tuan Peeping: Use a ladle to measure the sea, and look at the sky through the small hole in the bamboo tube. It is a metaphor for having a one-sided and narrow view and not being able to see the whole of things.