It's safe to say that this is no easy feat.

这当然不是简单能达成的壮举。

耶鲁公开课 - 弥尔顿课程节选

There's also an important and, I think, a very real sense in which Milton wanted to make it seem and obviously this is a much more difficult feat wanted to make it seem as if the Nativity Ode were the first poem that anyone had written.

我还有一种强烈的感觉,弥尔顿想让人觉得,显然这很困难,想使《圣诞清晨歌》看上去像,任何一个人写的第一首诗。

耶鲁公开课 - 弥尔顿课程节选