I'll just chill out at home.
→그냥 집에서 쉴래.

[예문]

A: Jim, what are you doing tonight?
A: Jim, 오늘 밤 뭐하니?

B: Nothing special. I'll just chill out at home.
B: 별로 특별한 거 없어. 그냥 집에서 쉴래.

A: Come on, it's Saturday. Don't you think we should do something?
   Why don't we go out for a drink?
A: 왜 이래, 오늘은 토요일이야. 뭔가 해야 되지 않겠어?
    술 한잔할까?

B: I can't say no to that. Let's go to Myeong-dong.
B: 싫다고 할 수 없네. 명동으로 갑시다.