Once a teacher, always a teacher.
한번 선생님은 영원한 선생님
요새 제가 읽고 있는 책(The Lightning Thief)에서 아래와 같은 대화가 나옵니다.
"By who?"
"By whom," Chiron corrected. Once a teacher, always a teacher.
"By you."
어..이런 비슷한 표현 어디서 봤더라..해서 찾아봤습니다.
Once a something, always a something.
used to say that people stay the same and cannot change the way they behave and think 출처
A person's innate or fundamental nature is not something they are willing or able to change.출처
A person cannot change their fundamental nature. 출처
예문
Once a flirt, always a flirt.
Once a thief, always a thief.
One a marine, always a marine.