많이 들었어요

I've heard a lot about you

→ 많이
phrase Uncommon #8,282
I've heard a lot about you Often used when meeting someone whose reputation or stories you already know about.
KO: 민수 씨 얘기 많이 들었어요.
EN: I've heard a lot about you, Minsu.

마르코 중위 얘기를 많이 들었어요

I've heard a lot about Lieutenant Marco.

— 붉은 돼지 (1992)

말씀 많이 들었어요

I've heard a lot about you.

— 8과 1/2 (1963)

아뇨, 아줌마 한테 말씀은 많이 들었어요

No, I’ve heard a lot about you from her.

— 추억의 마니 (2014)