The princess was ostracized for marrying a rich bourgeois.公主因与一位富有的商人结婚而被逐出皇族。

bourgeois作“资产阶级的”解时不用于比较等级。

用作定语
▲～+n.
What's the future of bourgeois society?资本主义社会的前景如何？
She is the most bourgeois person.她是个极其唯利是图的人。
用作表语
▲S+be+～
Their tastes and ideas are rather bourgeois.他们的情趣和思想非常平庸。
She's become terribly bourgeois since she joined the golf club.自她加入高尔夫球俱乐部后，变得市侩气十足。