아주 보람된 일이야.

A: My brother and sister-in-law are expecting their first.
B: They must be over the moon! That’s so cool!
A: It’s a life-altering event, for sure. They’re ready, though.
B: There’s nothing easy about it, but 정말 보람된 일이지.

A: 우리 오빠랑 새언니한테 곧 첫째 아기가 태어나.
B: 넘 행복하시겠다. 정말 멋진걸!
A: 아이를 갖는다는 건 인생을 바꾸는 대단한 사건인 건 분명하지. 그치만 오빠네는 준비가 됐어.
B: 가족이 하나 느는 데는 하나도 쉬운 건 없지만, it’s very rewarding.

[Additional expressions]
*My brother and sister-in-law are
– My brother and his wife are / My brother’s family is
*expecting their first
– awaiting the birth of their first baby / going to be having their first baby
*They must be over the moon!
– I’m sure they are extremely happy! / They’ve got to be ecstatic!
*That’s so cool!
– That’s awesome! / That is such a wonderful thing for them!
*It’s a life-altering event, for sure.
– It’s the kind of event that changes your entire life, no doubt about that.
*They’re ready, though.
– They’ve got everything all prepared, however. / However, they’re all set.
*There’s nothing easy about it
– Everything about it is hard / It’s all very hard work
*it’s very rewarding
– there are great rewards / the rewards are totally outstanding