Well, the answer is, in the traditional view, is that he was never meant to stand by himself.

答案在于,在传统观点看来,就是一个士兵从不孤军奋战

耶鲁公开课 - 古希腊历史简介课程节选

By "difficult," it is meant, I think, well, first of all that it is in some sense set apart from common speech, as a specialized and highly self-conscious use of language.

艰深“的意思，我认为，首先，某种程度上它是和平时谈话有所不同的，专业性极强，对语言运用自知也很高。

耶鲁公开课 - 现代诗歌课程节选

Well, it was when by invisibility we meant can't be seen.

是的，如果说无形,是看不见的话。

耶鲁公开课 - 死亡课程节选