The new manager dismissed the staff cafeteria as too plebeian for his refined lunch tastes.

新經理嫌員工餐廳太平民化，配不上他講究的午餐品味。

Some first-class passengers complained that the airport lounge felt crowded and rather plebeian.

有些頭等艙乘客抱怨機場貴賓室擁擠，而且相當庶民。

The consultant called our customer service scripts plebeian, which offended the entire support team.

顧問說我們的客服話術很粗俗平庸，讓整個客服團隊很不高興。