A: Autumn slipped up on us.
    - 어느새 가을이 왔어.

B: Many trees turned red and yellow.
    - 많은 나무가 단풍이 들었어.

A: How about going to NaeJang temple to see the scarlet maple leaves?
    - 단풍놀이하러 내장산 가는 거 어때?

B: Sounds perfect.
    - 좋아~~~^^