Correct

低落

/ dīluò / 
Strokes

Definition

downcast/gloomy/to decline

Example

As an Adjective

low; downcast

1
Shìqì
士气
dīluò
低落

low morale

2
Qíngxù
情绪
dīluò
低落

feel down/dejected/low; be in low spirits