唇
齿
相
依
c
h
ú
n
c
h
ǐ
x
i
ā
n
g
y
ī
Definitions
1. lit. as close as lips and teeth (idiom); closely related
2. interdependent
Components
唇齿
chún chǐ
–
lit. lips and teeth (idiom); fig. close partners
相依
xiāng yī
–
to be interdependent