颜厚有忸怩

yán hòu yǒu niǔ ní

even the most brazen person will sometimes feel shame (idiom)

yán

color

hòu

thick

yǒu

to have; there is

niǔ

used in 忸怩[niu3 ni2]

used in 忸怩[niu3 ni2]