Some of the early explorers thought of the local people as benighted savages who could be exploited.一些早期的开发者认为当地人愚昧无知未开化，完全可以任由他们剥削。These benighted souls/people have so much to learn.这些愚昧无知的人有很多东西需要学习。Those people as good as ruined the school with their foolish ideas!这些人的愚昧无知几乎毁了学校。