행간을 읽다 (숨겨진 의미를 파악하다)
To understand the hidden meaning behind what is said or written.
He didn't say it directly, but read between the lines.
You need to read between the lines of his email.
무료 회원가입으로 매일 새로운 영어 표현과 맞춤 읽기 콘텐츠를 받아보세요.