Big Words高级英语词汇讲座(123):"没教养的"游客

uncouth重点在于外表举止，其它几个近义词的区别好像没有之前单元的分明，

vulgar→not suitable, simple, dignified or beautiful; not in the style preferred by the upper classes of society.

uncivilized→not suitable for a well developed, peaceful society where people are treated fairly.

refined→very polite and showing knowledge of social rules.