A: Do you know how old he is?
그가 몇 살인 줄 알아?
B: It’s hard to guess, he looks very young.
너무 어려 보여서 추측하기 힘들어.
A: Tell me about it.
그러게나 말이야.
B: And he is so full of beans.
거기에다 활력이 너무 넘쳐.