通
宵
达
旦
t
ō
n
g
x
i
ā
o
d
á
d
à
n
Definitions
1. overnight until daybreak (idiom); all night long
2. day and night
Components
通宵
tōng xiāo
–
all night
达
Dá
–
surname Da
旦
dàn
–
dawn