1.She meant what she said, for she could never long endure any conversation of which she was not the chief subject.

【难句解析】这里的mean是及物动词，意思是“对...持认真态度”；endure的意思是“忍受”；of which引导的定语从句修饰conversation；

【句子翻译】她说到做到，因为她从来就忍受不了不以她为主题的谈话。

2.The boys were enchanted, as she had intended them to be, and they hastened to apologize for boring her.

【难句解析】这句的主干是The boys were enchanted and they hastened...；as引导的从句做状语；

【句子翻译】小伙子们给迷住了，这正中她的心意，于是他们向她道歉。

3.The boys looked uncomfortable, recalling their mother’s conduct three months ago when they had come home, by request, from the University of Virginia.

【难句解析】recalling...come home做动词looked的伴随状语；by request做状语，修饰come home；

【句子翻译】小伙子显得有点不自在，想起三个月前他们从弗吉尼亚大学被请回家时母亲的那番表现。