yōu​cháng

drawn-out

悠长 (悠長) yōu​cháng
drawn-out adjective
(of sound or breath) lingering and slowly fading away
prolonged adjective
lasting for a long period of time; of long duration

Frequency

Movie subtitles
0.300 per million appears in 0% of films
Written text
1.55 per million

Sources

Definitions
CC-CEDICT