歓楽

1. Origins, structure, and basic meaning

• Structure: 歓楽 (かんらく) is a literary noun for pleasure-seeking or revelry. 歓楽から離れる and 歓楽にふける express withdrawal and immersion.
• Basic usage: One person leaves urban pleasures for quiet life; a novel portrays the emptiness of an aristocrat absorbed in revelry.

2. Common pitfalls and similar expressions

• Leaving revelry and indulging in it
  • Source marker から frames a change of life, while にふける signals excessive absorption. The word carries a stronger hedonistic nuance than ordinary everyday enjoyment.