《贵妇画像》(又名《一位女士的画像》)是亨利·詹姆斯最成功的作品之一,他成功地刻画了一系列的人物形象,其中尤以主人公伊莎贝尔·阿切尔的形象最为丰满。但同时,我们也不能忽视她的表哥拉尔夫·杜歇这一人物,他是伊莎贝尔精神上的卫士,物质上的恩人。本文主要分析拉尔夫·杜歇这一人物形象,及他对伊莎贝尔的性格和命运所产生的影响。 One of Henry James’s most successful works, The Portrait of a Lady (aka The Portrait of a Lady) succeeded in portraying a series of characters, most notably the heroine Isabelle Archer full. At the same time, however, we must not overlook the character of her cousin, Ralph Tuche, who is Isabel’s spiritual guardian and material benefactor. This article focuses on the character of Ralph Tuche, and his influence on Isabel’s character and destiny.