How big you have grown!2

I hardly know you.
이름이 갑자기 생각이 안 나는군요.

Your name just doesn't come to me.
어디선가 당신을 본 것 같긴 한데

누군지는 잘 모르겠군요.
I may have seen you somewhere,

but I can't recognize you.
전에 어디선가 당신을 본 기억이 나는군요.

I remember seeing you somewhere before.
너 참 많이 컸구나!