Translation of "Dear" in Korean

Dear friends,

여러분,

Oh, dear.

이런

Now, take my dear friend Louis for example.

제 친구 루이스의 예를 들어볼까요?

"Dear brothers, I hope this message finds you well.

"형제들, 잘 지내고 있길 바래.

Well, let me tell you about our dear family friend Jenny.

저희 집안 친구인 제니에 대해 말씀드리죠.

Australia is, dear viewer, such a special and unique country that 80% of its plants

여러분, 호주는 정말 특별하고 독특한 나라로서