山区: mountain area...
跟: heel (of the foot, a shoe, etc)...
浪漫: romantic...
阶层: hierarchy, stratum, social class...
性别: gender, sex...
适合: to fit, to suit...
自私自利: everything for self and selfish profit (idiom); with no regard for others, selfish, mercenary...
宣言: declaration, manifesto...
成果: result, achievement, gain, profit...
出汗: to perspire, to sweat...