It's late for some personal reasons as well. Milton had been, as you know, anticipating writing this poem since he was at least nineteen years old.

也有一些个人原因，你们知道，弥尔顿至少在19岁的时候就想要写这样一首诗了。

耶鲁公开课 - 弥尔顿课程节选

Now when Milton publishes this poem, he makes it clear that it was written at age nineteen.

那时当弥尔顿要出版诗歌的时候，他就清楚自己是在19岁时写的。

耶鲁公开课 - 弥尔顿课程节选

My bid concern is that you have this huge group of people on the planet 2 young people between ages of say 12 and 19 or 21 or 22 all asking the question: Who am I?

我最关注的是,我们在世界上拥有如此巨大的一个群体,即年龄介于12到19岁，或者21，22岁的青年人2,都在问一个问题：,我是谁？

普林斯顿公开课 - 人性课程节选

For example, the median age in Iraq is 19.5.

例如，伊拉克人口的年龄中值为19。5岁。

普林斯顿公开课 - 人性课程节选

Finally, Milton's poem is late by virtue of the simple fact that it's written in the form of an epic. An epic might have seemed like a great idea when Milton was nineteen, but by the time Milton gets actually around to writing it, it's an entirely superannuated, utterly outdated form.

最后，弥尔顿这么晚才写这首诗是因为,这是一首史诗，在弥尔顿19岁的时候,写首史诗看起来可能是个好主意，但到了弥尔顿真正要写的时候，史诗已经是一种完全落伍过时的诗体了。

耶鲁公开课 - 弥尔顿课程节选