정저지와가 · 정저지와를
a frog in a well, a person with a narrow view
Example
해외 경험이 없으면 정저지와가 되기 쉬워요.
Without overseas experience, it's easy to become a frog in a well.
Word parts
정 well+저 bottom+지 of+와 frog
Literally 'frog at the bottom of a well,' who thinks the sky is a small circle.
Good to know
In everyday speech Koreans say 우물 안 개구리 instead.