John Gill Commentary Ezekiel 20:49

"Then said I, Ah Lord Jehovah! they say of me, Is he not a speaker of parables?" — Ezekiel 20:49 (ASV)

Then said I, ah Lord God ! &c.] The Septuagint version is, "by no means, Lord, Lord"; that is, let me not be sent on such an errand; at least, let it not be delivered in such figurative terms; or let not such a general calamity befall the people. The Targum is, "receive my prayer, O Lord God;" the prophet here either complains of the usage he had met with after delivering the above prophecy; or rather of what he had met with before, and which he expected again; and therefore desired either that he might be excused delivering the prophecy; or, however, that it might be delivered not in obscure and enigmatical terms, but in plain and easy ones.

they say of me, does he not speak parables? as before, of a lion and her whelps; and of a vine, and its rods and branches, (Ezekiel 19:1–14) and now here again, of a fire, and a forest, and trees of it, green and dry; things not easily understood, and so not attended to and regarded; as if they should say, this man brings us nothing but parables, riddles, and enigmas, and such sort of unintelligible stuff, not worth minding; and rather appears as a man delirious and mad rather than a prophet. Therefore Ezekiel seems to desire that he might be sent to them with a message more plainly expressed; and which might excite their attention and regard, and not expose him to their ridicule and contempt; and accordingly we find it is explained and expressed in clearer terms in the next chapter.