This means, the subject ("it") might as well be in an ancient language no one can be expected to know, like ancient Greek. Thus, the subject is unintelligible, and might as well be gibberish, nonsense; words without meaning. It is a polite way of claiming ignorance about a subject. Ex.: "Computer programming? It's all Greek to me. I don't understand any of it."
The way you describe idioms is so clear and I find such pleasure reading the explanations and examples. Thank you for the effort you put into this. :)
ReplyDelete...find pleasure IN reading... :)
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