Sentence:  If the Frenchman saw our aristocracy and liked it, if he saw our snobbishness and liked it, if he set himself to imitate it, we all know what we should feel. We all know that we should feel that that particular Frenchman was a repulsive little gnat. He would be imitating English aristocracy; he would be imitating the <WSD>English vice</WSD>. But he would not even understand the vice he plagiarised: especially he would not understand that the vice is partly a virtue. 
Meaning of the word marked with <WSD> tags:  Snobbishness; sentimental royalism; idealistic love of class and aristocracy.