In the Book of Revelation it's the number of the beast; it's the number of the devil.

在《启示录》中,这是野兽的数量;,是魔鬼的数量。

耶鲁公开课 - 1945年后的美国小说课程节选

The simile is there ostensibly to compare Satan with the great sea beast, leviathan. In the comparison of Satan's shield with the moon is the figure of the Tuscan artist, the Tuscan artist being Galileo.

这个明喻很明显是将撒旦和凶猛的海中野兽利维坦，进行了对比，在把撒旦的庇护和月亮的比较之中,突出了那个托斯卡纳艺术家的形象，伽利略。

耶鲁公开课 - 弥尔顿课程节选

And you remember Yeats in "The Second Coming," - there's a beast that's kind of-- He doesn't know what it is, and here he's saying something similar.

你们记得在二次圣临里“,有提到一只野兽-,他不知道那到底是什么，在此他表达相似的想法。

耶鲁公开课 - 现代诗歌课程节选