dī​luò

gloomy

低落 dī​luò
gloomy adjective
feeling downcast, dejected, or unhappy

He was in very low spirits because he didn't do well on the exam.

decline adjective
to drop in level or quality; to worsen

The production level of this factory has been low for a long time.

Frequency

Movie subtitles
4.20 per million appears in 2% of films
Written text
5.92 per million

Sources

Definitions
CC-CEDICT