堕落

HSK 7-9

duòluò

degenerate; fall morally; sink

to degenerate; to become depraved; corrupt; a fall from grace

他的品德开始堕落。

tā de dìpǐ kěkě duòluò.

His character began to deteriorate.

这个产品的质量在不断堕落。

zhè ge chǎnpǐnde lǐlùn zài bùduàn duòluò.

The quality of this product has continued to decline.