벽창우in English:a person who is very knowledgeable or skilled in a particular field

Examples
with 벽창우.

• 그는 벽창우라서 모든 문제를 쉽게 해결할 수 있다.geuneun byeokchang-u-raseo modeun munjeleul swibge haegyeolhal su itda.He is so knowledgeable that he can easily solve any problem.