chén​lún

to sink into vice

沉沦 沉淪 chén​lún
to sink into vice
To sink into a state of depravity, vice, or moral degradation
to submerge
(Literary) To sink down into water; to be submerged.
to fall into a lowly state
To be reduced to a miserable condition, or to pass into oblivion
neglected talent
(Literary) Worthy people who are living in obscurity or are neglected by those in power

Frequency

Movie subtitles
1.82 per million appears in 1% of films
Written text
2.19 per million

Sources