However, the translators did not want to substitute an English expression for one in Greek. They decided, rather, to represent not only the words, phrases, and expressions of the Greek text, but also to capture, if possible, the tone and tenor of the original expression. But then, the New Revised Standard Version is a revision of the King James Version. In addition, SV has attempted to reproduce the assonance of the Greek text. The panelists were not always this successful, but this example does illustrate what they were trying to achieve.
Grammatical form is also an important function of translation.
No, you will be brought down to Hades. The question in Greek is a rhetorical question, anticipating a negative response. No, you'll go to Hell. It is clear that the town of Capernaum could not, in the speaker's judgment, expect to be exalted to heaven. That is what the Greek text says.