Will you duck down  please?
→ 머리좀 숙여 주세요.

〔예문〕
A: Excuse me, Will you duck down a little please?
    죄송한데 자세좀 낮춰주세요.

B  :Pardon?
   뭐라고요?

A: Will you duck down please? I can't see it.
    자세좀 낮춰주세요. 안보여요.

B: Oh,I am sorry. I didn't know that.
   아, 미안해요.몰랐습니다.