1.Elinor, this eldest daughter, whose advice was so effectual, possessed a strength of understanding, and coolness of judgment, which qualified her, though only nineteen, to be the counsellor of her mother, and enabled her frequently to counteract, to the advantage of them all, that eagerness of mind in Mrs. Dashwood which must generally have led to imprudence.

【难句解析】这句的主干是Elinor possessed...；this eldest daughter, whose advice was so effectual做定语修饰Elinor；which qualified...imprudence是定语从句修饰understanding, and coolness of judgment;

【句子翻译】大女儿埃丽诺的劝解奏效了。埃丽诺思想敏锐，头脑冷静，虽然年仅十九岁，却能为母亲出谋划策。达什伍德太太性情急躁，做事总是冒冒失失。埃丽诺为大家着想，经常出来劝阻劝阻。

2.Elinor saw, with concern, the excess of her sister's sensibility; but by Mrs. Dashwood it was valued and cherished.

【难句解析】with concern做状语修饰saw；it指代the excess of her sister's sensibility；

【句子翻译】埃丽诺见妹妹过于感情用事，不免有些担心，可达什伍德太太却觉得这很难能可贵。