새 매트리스가 필요해.

I need a new mattress.

> I need a new mattress.

지금 쓰고 있는 것 때문에 잠을 못 잤어.

I couldn't sleep because of the mattress I have.

> I couldn't sleep because of what I'm using now.

커피를 너무 많이 마셔서 그런 거 아니야?

Don't you think that's why you had a lot of coffee?

> Isn't it because you drank too much coffee?

커피는 두잔 밖에 마시지 않았어.

I had just two cup of coffee.

> I only had two cups of coffee.

그게 문제가 아니야. 이것 좀 봐.

That wasn't a problem. Look at this.

> That's not the problem. Look at this.

어머, 팔에 난 자국은 뭐야? 빈대 같은 거에물렸니?

Whoa. What's the thing on your arm? Did you get bited by kind of a bug?

> Oh, what's that mark on your arm? Did you get bitten by a bed bug or something?

그런가봐. 매트리스 빨리 교체해야 겠어.

I think so. I have to change the mattress as fast as I can.

> I guess so. I need to replace the mattress quickly.

교체하기 비쌀 텐데.

It should be expensive.

> It would be expensive to replace.

매트리스 케이스는 어때?

How about mattress case?

> How about a mattress case?

그거 도움이 되겠네! 어디서 살 수 있어?

That would be help! Where can I buy it?

> That would help! Where can I buy one?

아무 백화점이나 온라인에서 살 수 있어.

You can buy it from any department store or online shop.

> You can buy it from any department store or online.