chén​lún

fall

沉沦 (沉淪) chén​lún
fall verb
to sink into vice, depravity, or a miserable condition

He is hopelessly sinking into the abyss of drugs and gambling.

oblivion verb
to pass into oblivion, perish, or suffer a downfall

That ancient civilization eventually perished in the long river of history.

Frequency

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

Sources

Definitions
CC-CEDICT