我不知道那家伙是个厚颜无耻的人。
I didn 't know that the fellow was a cool hand .
不重要却厚颜无耻专横的人。
Someone who is unimportant but cheeky and presumptuous .
做这种“厚颜无耻”事情的人好象是我选出来的。
I suppose this is the " audacity " I voted for .