Dulce et Decorum Est" is a great poem but the kind of irony that it puts forward is, I think, a simple one.

Dulce，et，Decorum，Est“是一首伟大的诗,不过欧文所用的讽刺在诗中却是一目了然的。

耶鲁公开课 - 现代诗歌课程节选

And again, recall this is the theme raised at the beginning of Book II by Adeimantus, who puts forward an idea of self-control, or what he calls self-guardianship as his goal.

不要忘了这个主题是在,第，II册一开始时由，Adeimantus，所提出，他带进了自控的概念，或他称为作为个人目标的自我守护。

耶鲁公开课 - 政治哲学导论课程节选