1. The young debutante's duenna was responsible for her etiquette training.
年轻的首次参加社交活动的女子的女家庭教师负责她的礼仪训练。
2. In the opera, the duenna was portrayed as a strict and overprotective guardian.
在这部歌剧中，女家庭教师被描绘成一个严厉而过分保护的监护人。