He is using the English translation of the German word frohlich from Nietzsche's The Gay Science.

他用的其实是德语“快乐的“一词的英文翻译,而那个词则来自尼采写的“快乐的科学家“这个标题。

耶鲁公开课 - 文学理论导论课程节选

They're long, they're not written in English; in most set of circumstances they are irrelevant.

他们很长，而且不是用英文写的;,在大部分情况下他们都是无关紧要的。

耶鲁公开课 - 金融市场课程节选

This is the English translation because the poem is in Latin: Because you loved the blush of modesty and a stainless youth and because you did not taste the delight of the marriage-bed, lo! the rewards of virginity are reserved for you.

诗是用拉丁文写的，这是英文翻译：,诗歌大意：，你爱羞怯的脸红和无瑕的青春,未品尝过婚床上的欢愉，瞧！，你将因这贞洁获得奖赏。

耶鲁公开课 - 弥尔顿课程节选