1N-COUNT 传统保守的私立学校学生Preppies are young people, especially in America, who have often been to an expensive private school and who are conventional and conservative in their attitudes, behaviour, and style of dress. 传统保守的私立学校学生 [mainly US]
2ADJ-GRADED 像传统保守的私立学校的 If you describe someone or their clothes, attitudes, or behaviour as preppy, you mean that they are like a preppy. 像传统保守的私立学校的 [mainly US]
I couldn't believe how straight-looking he was, how preppy.