Anglais example sentences with "paraphrase"

I don't understand this word. Could you paraphrase it?
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Paraphrasing is all well and good as long as you don't have the original sentence in sight when you seek to paraphrase.
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Don't repeat or paraphrase the question you're being asked because it sounds patronizing.
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It is the 2nd of July of 2015. My friend Yaroslav is from the Ukraine, an ex-Soviet republic, and he grew up in the Soviet Era, when the ruble was money, but communism was the objective. He said that those good ol' childhood years were the best for him, and he feels nostalgic about them. Yaroslav has been a seaman engineer for some years. He has moved to Canada, and he studies English now, Russian being his first language and Ukrainian second. His original hair was near black, but is now whitening. He has blue eyes. He still looks like a big teenager. He is a pizza delivery man now at my local pizzeria, here at Lulu Island. We both discuss many deep, intellectual things at the pizza parlour, whilst he waits to go off for a delivery. He likes reading drama books, like Tolstoy. He likes drama movies, too. Unlike me, whose hobby is speculative fiction and astronomy, Yaroslav talks little of such things. My impression of Soviets were that they were all space-savvy. But he did mention once that within 1000 years, humanity will have to be really serious about space travel and out-of-Earth colonization, because our own Earth may fall into decay. I think that he tried to paraphrase Stephen Hawking the physicist. Yaroslav does not know Star Trek too well. I talked to him about teleportation, which scientists around the world are researching. They think that teleportation is not impossible.
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Without love, life can be cold and it can be cruel. Sometimes cruelty is deliberate — the action of bullies or bigots, or the inaction of those indifferent to another’s pain. But often, cruelty is simply born of life, a matter of fate or God’s will, beyond our mortal powers to comprehend. To suffer such faceless, seemingly random cruelty can harden the softest hearts, or shrink the sturdiest. It can make one mean, or bitter, or full of self-pity. Or, to paraphrase an old proverb, it can make you beg for a lighter burden.
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I'm surprised by AI's ability to paraphrase and analyze novel sentences.
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