처음에는, 애초에, 먼저, ~하는게 처음이다.

Question 1

처음에는 좀 어색했어.

Answer 1

At first, it was a little awkward.

Question 2

처음에는 별로 관심이 안갔었어.

Answer 2

I wasn’t very interested at first.

Question 3

처음에는 좀 어려웠는데 익숙해지고 나니까 괜찮았어.

Answer 3

At first, it was a little hard(difficult), but it was OK once(after) I got used to it.

Question 4

애초에 오해가 좀 있었던거 같아요.

Answer 4

I think there was some misunderstanding in the first place(to begin with).

Question 5

애초에 내가 실수를 좀 했어.

Answer 5

I think I made some mistakes in the first place.

Question 6

애초에 내가 확인을 제대로 안했어.

Answer 6

I didn’t check properly in the first place.

Question 7

애초에 내가 말을 꺼내지 말았어야 했어.

Answer 7

I shouldn’t have brought it up(mentioned it) in the first place.

Question 8

걔가 먼저 말을 꺼냈어.

Answer 8

He brought it up first.

Question 9

걔가 날 먼저 때렸어.

Answer 9

He hit me first.

Question 10

내가 먼저 물어봤잖아

Answer 10

I asked you first.

Question 11

그녀를 처음으로 직접 만났어.

Answer 11

I met her in person for the first time.

Question 12

걔네 사귀기 시작하고 나서 처음으로 다퉜어.

Answer 12

They had an argument(fight) for the first time since they started going out(dating, seeing each other).
They had their first argument since~

Question 13

나 운전면허증 따고 처음으로 혼자서 운전했어.

Answer 13

I drove myself for the first time since I got my driver’s liense.

Question 14

무대에 서는게 처음이었어.

Answer 14

It was my first time going on stage.

Question 15

혼자 여행하는게 처음이야.

Answer 15

It’s the first time I’m traveling by myself.

Question 16

혼자 운전하는게 처음이 될거야.

Answer 16

It’t the first time I’m going to drive by myself.

It’s going to be the first time I drive by myself.