Correct
长夜
/ chángyè /
Strokes
Definition
long dark night/fig. long period of misery and oppression
Example
As a Noun
eternal/long night—endless dark days
1
Mànmàn
漫漫
chángyè
长夜
live-long night; long, long night
As a Noun
all/whole night
2
Chángyè
长夜
bù
不
mián
眠
have a sleepless/white/wakeful night; lie awake all night