回复68楼:见过不要脸的,还没见过这么不要脸的。
I've seen shameless people before, but never seen someone so shameless.
I've met shameless people, but this person takes the cake.
我从未见过有如此厚颜无耻之人!
I have never seen someone so utterly thick-skinned and brazen.
I've never seen anyone with such a lack of shame.