to not know somebody from adam
01
전혀 모르는 사람이다, 누군지 전혀 모르다
to fail to recognize someone as one has never met them or knows nothing about them
관용구
비격식
옛 용법
예시들
When he approached me on the street, I had no idea who he was—I couldn't have recognized him from Adam.
내가 왜 그 사람에게 돈을 빌려줘야 해? 전혀 모르는 사람인데.
