a sense of duty责任感
awake to sense of duty唤起责任感
a quaint sense of duty不合情理的责任感
under a sense of duty在责任感的驱使下
strengthen one's sense of duty加强责任感
The second chapter describes Tess as a pure woman, arguing that it is Tess’s sense of duty to her family on the decline that leads her to become Alec’s sexual object and later it is her devoted love to Angel that makes her the murderess of Alec.
第二章论述苔丝的纯洁形象，认为是苔丝对其贫困家庭的高度责任感和牺牲精神导致她的沉沦，是她对丈夫忠诚的爱导致她最后杀死了亚力克。
参考来源 - 哈代眼中的“纯洁女性”—苔丝形象面面观