一
个
唱
红
脸
，
一
个
唱
白
脸
y
ī
g
è
c
h
à
n
g
h
ó
n
g
l
i
ǎ
n
,
y
ī
g
è
c
h
à
n
g
b
á
i
l
i
ǎ
n
Definitions
1. one plays the good cop, the other plays the bad cop
Components
一个
yī gè
–
one
唱红脸
chàng hóng liǎn
–
to play the role of the hero (idiom)
唱白脸
chàng bái liǎn
–
to play the role of the villain (idiom)