But the desire for approbation is perhaps the most deeply seated instinct of civilised man. No one runs so hurriedly to the cover of respectability as the unconventional woman who has exposed herself to the slings and arrows of outraged propriety. I do not believe the people who tell me they do not care a row of pins for the opinion of their fellows. It is the bravado of ignorance. They mean only that they do not fear reproaches for peccadillos which they are convinced none will discover.

老师：这句a row of pins for the opinion of their fellows.没看懂，网上也查不到这句话是什么意思。