I can’t hear you.

네 목소리가 안 들려.

Sorry, I was muted.

미안, 무음이었어.

What’s that noise in the background?

그 잡음은 뭐야?

They are doing some construction work outside.

밖에서 무슨 공사를 하고 있어.

It’s hard to hear you.

잘 안 들린다.

OK, I’ll call you later.

그래, 이따가 전화할게.