OET interlinear REV 18:21

uW Translation Notes:

Note 1 topic: figures-of-speech / simile

λίθον ὡς μύλινον μέγαν

/a/_stone like (Some words not found in SR-GNT: καὶ ἦρεν εἷς ἄγγελος ἰσχυρὸς λίθον ὡς λίθον μέγαν καὶ ἔβαλεν εἰς τὴν θάλασσαν λέγων οὕτως ὁρμήματι βληθήσεται Βαβυλὼν ἡ μεγάλη πόλις καὶ οὐ μὴ εὑρεθῇ ἔτι)

The point of this comparison is that the stone that the angel took up was very large and heavy and so it made a tremendous, dramatic splash when it hit the sea. If it would be helpful in your language, you could make this point explicitly. Alternate translation: [a stone that was very large and heavy like a great millstone]

Note 2 topic: translate-unknown

μύλινον

(Some words not found in SR-GNT: καὶ ἦρεν εἷς ἄγγελος ἰσχυρὸς λίθον ὡς λίθον μέγαν καὶ ἔβαλεν εἰς τὴν θάλασσαν λέγων οὕτως ὁρμήματι βληθήσεται Βαβυλὼν ἡ μεγάλη πόλις καὶ οὐ μὴ εὑρεθῇ ἔτι)

A millstone is a large, flat, round stone that people use to crush kernels of grain against a second millstone, processing the grain into food for humans. If your readers would not be familiar with what a millstone is, in your translation you could use the name of a comparable object in your culture or you could use a general expression.

Note 3 topic: figures-of-speech / activepassive

οὕτως ὁρμήματι βληθήσεται Βαβυλὼν ἡ μεγάλη πόλις

thus ˱with˲_violence /will_be_being/_cast Babylon the great city

If your language does not use this passive form, you could express the idea in active form or in another way that is natural in your language. If you need to say who did the action, the context suggests that it was God. Alternate translation: [God will throw down Babylon, the great city]

Note 4 topic: figures-of-speech / metaphor

οὕτως ὁρμήματι βληθήσεται Βαβυλὼν ἡ μεγάλη πόλις

thus ˱with˲_violence /will_be_being/_cast Babylon the great city

The angel is speaking as if Babylon will literally be thrown down as if from a height. He means that the city will be completely destroyed. If it would be clearer in your language, you could state the meaning plainly. Alternate translation: [God will completely destroy Babylon, the great city]

Note 5 topic: figures-of-speech / abstractnouns

ὁρμήματι

˱with˲_violence

If your language does not use an abstract noun for the idea of violence, you could express the same idea in another way. Alternate translation: [violently]

Note 6 topic: figures-of-speech / activepassive

οὐ μὴ εὑρεθῇ ἔτι

by_no_means not ˱it˲_/may_be/_found anymore

If your language does not use this passive form, you could express the idea in active form or in another way that is natural in your language. Alternate translation: [no one at all will see her anymore]