troglodyte

1. N-COUNT A troglodyte is someone who lives in a cave. 穴居人[正式]

2. N-COUNT If you refer to someone as a troglodyte, you mean that they are unsophisticated and do not know very much about anything. 井底之蛙[表不满]

He dismissed advocates of a completely free market as economic troglodytes with no concern for the social consequences. 他认为那些鼓吹完全自由市场经济的人不是很了解经济，完全没有考虑到其产生的社会后果。