But here is the hard headed fact.

但是有个无法解释的事实是

耶鲁公开课 - 古希腊历史简介课程节选

He is teaching a kind of, we will find out, a kind of hard-headed realism Polemarchus that expresses disgust at Polemarchus' talk about loyalty and friendship and the like.

他教授一种，我们稍后会发现，一种冷静的现实主义,表达出对,忠诚与友谊之类谈话的厌恶。

耶鲁公开课 - 政治哲学导论课程节选