bourgeois
adjective disapproving uk/ˈbɔːʒ.wɑː/ us/ˈbʊrʒ.wɑː/
中产阶级的；追求物质享受的；平庸粗俗的
belonging to or typical of the middle class (= a social group between the rich and the poor) especially in supporting existing customs and values, or in having a strong interest in money and possessions
It's a bit bourgeois, isn't it, joining a golf club? 参加高尔夫球俱乐部有点庸俗，不是吗？