不
共
戴
天
b
ú
b
ù
g
ò
n
g
g
ò
n
g
d
à
i
d
à
i
t
i
ā
n
t
i
ā
n
Definitions
1. (of enemies) cannot live under the same sky
2. absolutely irreconcilable
Components
不
bù
–
(negative prefix)
共
gòng
–
common
戴
Dài
–
surname Dai
天
tiān
–
day