1.This circumstance was a growing attachment between her eldest girl and the brother of Mrs. John Dashwood, a gentleman-like and pleasing young man, who was introduced to their acquaintance soon after his sister's establishment at Norland, and who had since spent the greatest part of his time there.

【难句解析】attachment这里的意思是“恋爱关系”；a gentleman-like...of his time there这部分做定语修饰the brother of Mrs. John Dashwood；

【句子翻译】这桩事就出在她大女儿和约翰．达什伍德夫人的弟弟之间，两人渐渐萌发了爱慕之情。那位弟弟是个很有绅士派头的逗人喜爱的年轻人，他姐姐住进诺兰庄园不久，就介绍他与她们母女结识了。从那以后，他将大部分时间都消磨在那里。

2.It was contrary to every doctrine of her's that difference of fortune should keep any couple asunder who were attracted by resemblance of disposition; and that Elinor's merit should not be acknowledged by every one who knew her, was to her comprehension impossible.

【难句解析】it指的是difference of fortune...disposition；第二句的逻辑主语是句子Elinor's merit should not be acknowledged by every one who knew her；

【句子翻译】因为财产不等而拆散一对志趣相投的恋人，这与她的伦理观念是格格不入的。埃丽诺的优点竟然不被所有认识她的人所公认，简直叫她不可思议。