The suggestion Plato seems to be making by making Thrasymachus blush is, despite all of his tough talk, that he's not as tough as he appears to be, as he wants to think of himself to be.

柏拉图的暗示似乎是透过,让，Thrasymachus，感到困窘，先不管他先前那些顽固的言论，展现出他其实不像表现出的那般顽固，不像像他自己认为的那样顽固。

耶鲁公开课 - 政治哲学导论课程节选