preppy
['prepɪ]
n.
预备学校学生[毕业生];
（尤指在衣着、举止等方面）像预备学校学生的人;
adj.
预备学校学生的;
例句:
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I couldn't believe how straight-looking he was, how preppy.
我真不敢相信他看起来竟如此正统，一点也不像同性恋。
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Was this guy playing with our spotter , the preppy guy?
他是不是也和我们的预科生观察员一起?
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Have a gorgeous preppy boyfriend.
交一个帅气的男朋友.
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Their sons dress in a style that's preppy.
来自NEWYORKER
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He looks prosperously preppy with curly hair cut neat...subtle grey Armani trousers.
来自Times
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Girls' Generation is a group of preppy-looking young women in skinny trousers.
来自NEWYORKER