뜬금없이 연락이 왔어

A: I feel like such a slug today. I had a rough night.
B: It looks like it. I thought you swore off partying midweek.
A: 뜬금없이 연락이 왔거든, from an old friend.
B: You know better. It’s always one thing or another.

A: 오늘은 느긋하게 있고 싶은걸? 어젯밤에 너무 힘들었어.
B: 그렇게 보이네. 주중에는 파티를 절대 안 한다고 한 줄 알았는데.
A: I got a call out of the blue 옛 친구한테 말이야.
B: 네가 더 잘 알지. 이래서 못하고, 저래서 못하고.

[Additional expressions]
*I feel like such a slug today.
– I have no energy today. / Today, I feel so sluggish. / I’m worn out today.
*I had a rough night.
– Last night was a rough one. / I’m suffering the effects of last night’s activities.
*It looks like it.
– I can see that. / It’s obvious from just looking at you. / Your appearance tells all.
*I thought you swore off partying midweek.
– I had assumed you made an oath to not party during the week.
*I got a call
– I got a phone call / I received a telephone call / I got rung up
*out of the blue from an old friend
– surprisingly from a friend from long ago / unexpectedly from an old bud
*You know better.
– You’re smarter than that. / You already know how that always turns out.
*It’s always one thing or another.
– There’s always going to be an excuse. / Somebody always finds a reason.