Imagine a swimmer in water over his head You are in deep water when you are facing a problem that you do not have the ability to solve.

VOA: special.2009.05.10

Where were ye Nymphs, when the remorseless deep / clos'd o'er " the head of your lov'd Lycidas?"

诗歌大意：，“女神们，你们在哪里,当无情的海水漫过你们挚爱的利西达斯的头顶“

耶鲁公开课 - 弥尔顿课程节选

It's possible that he's hiding his talent or burying his conceived merits deep within the earth, and it's this frightening possibility that Milton forces himself to engage head on - the implications of this parable.

他不可能总藏着他的才能,或者把他即将成形的文章埋在地下，就是这种可怕的可能性,使弥尔顿敦促自己注意,这则寓言的暗示。

耶鲁公开课 - 弥尔顿课程节选