plebeian /pləˈbiːən/ (also plebian)

• 1. 

  ADJ A person, especially one from an earlier period of history, who is plebeian, comes from a low social class. 平民; 庶民 [usu ADJ n]

• 2. 

  ADJ If someone describes something as plebeian, they think that it is unsophisticated and connected with or typical of people from a low social class. 平民的; 粗俗的 [正式] [usu ADJ n]

  例：

  ...a philosophy professor with an alarmingly plebeian manner.

  ...一位举止粗俗不堪的哲学教授。