世风日下

世風日下
shìfēngrìxià
public morals are degenerating with each passing day (idiom)

CEDICT

the world's morals are worsening day by day.

Wiktionary

社会的风俗习惯日渐浇薄，每况愈下。

重編國語辭典

Entry Composition

1 世风 shìfēng public morals
2 日下 rìxià
  1. (literary) to go down day by day
  2. at the moment; currently
  3. to go down day by day