- 井蛙之见 jǐngwāzhījiàn narrow perspectivethe view of a frog in a well; used to describe a person with limited experience or a narrow-minded outlook on the world
- 井蛙语海 jǐngwāyǔhǎi frog in a well talking of the seato have a narrow outlook or limited experience; a person with a shallow perspective who talks about things beyond their understanding