Could you speak louder? 좀 더 크게 말해 주시겠어요?
ex) I can hear your voice quietly. Could you speak louder?
I have a question. 질문 있어요. ex) Can I ask the teacher?
I have a question. What do you mean by that?
그게 무슨 뜻인가요? ex) I don’t really understand.
What do you mean by that? I cannot hear you, teacher.
선생님 목소리가 들리지 않아요. ex) I cannot hear you, teacher. Please speak louder.
Can you see me? 제가 보이나요?
ex) Th.....
원문 링크 : 학교에서 자주 쓰이는 영어 문장