다시한번 말해주세요.

Say it again, Please!
Will you say that again, please.
Pardon me, Please!

천천히 말해 주세요.

Speak slowly, Please!
Will you speak slowly, please?

크게말해주세요

Speak loudly, please! 
Will you speak loudly, please?

잘 들리지 않습니다. 

I can't hear you. 

통화 음질이 안좋습니다. 

Phone connection is not good. 

쉬운영어로 말해주세요

Speak in easy(plain) English, Please! 
Will you speak in easy English?
Speak in easier English, please!

질문을 이해 못하겠어요. 

I don't understand your question. 

같은 질문을 다시 한번 해주세요. 

Could you ask the same question one more time.

 이 단어는 무슨뜻 입니까?

What does this word mean?