Correct
成宿
/ chéng sù /
Strokes
Example
As a Noun
whole night; all night long
1
Chéng
成
sù
宿
shuì
睡
bù
不
zhāo
着
jiào
觉
cannot go to sleep/cannot fall asleep the whole night; lie awake all night
2
Chéng
成
sù
宿
zhàoliào
照料
bìngrén
病人
look after a patient the whole night