沉沦 (沉淪) chénlún

1. chénlún verb to sink; to be reduced to
   Domain: Modern Chinese 现代汉语
   Notes: (CC-CEDICT '沉淪'; Guoyu '沉淪' 1)
2. chénlún verb to degenerate; to be reduced to
   Domain: Modern Chinese 现代汉语
   Notes: In the sense of 沦落 (CC-CEDICT '沉淪'; Guoyu '沉淪' 2)
3. chénlún verb to indulge in
   Domain: Modern Chinese 现代汉语
   Notes: In the sense of 沉溺 (Guoyu '沉淪' 3)
4. chénlún verb to vanish socially
   Domain: Literary Chinese 文言文
   Notes: (Guoyu '沉淪' 4)