Reading modern English is one thing, but understanding Shakespeare is an entirely 'different beast'. [=is an entirely different thing; is entirely different]
a story about a mythical/imaginary 'beast' [='creature'] with two heads
a conflict between man and 'beast' [=between human beings and animals]
(..) are nigh!" The monk's hand points to the Bible, in which is written: "And I saw a woman sit upon a scarlet colored beast, full of names of blasphemy having seven heads and ten horns. And the woman was arrayed in purple and scarlet color, having a golden cup in her (..)1927 Metropolis