may be Google can penalize but if you modified that post more than it is possible that Google will not punish your site.

Matt Cutts on language spamming:
“The same content in English is different than the same content in French. So, if you had identical content in English, and then in English again, in theory, that’s duplicate content, and we might only want to return one copy of the English content. But if you have English here and French here, it’s really quite different.

Now, one thing to be aware about, is if you have written that content yourself – so you’ve written it for English, you’ve written it in French, or you’ve had it translated by hand for French, everything’s great. But if what you’ve done is taken the English copy for your website, and thrown it into Google Translate, and done nothing more than auto-translate it into a bunch of different languages, that can be considered spamming, because in essence, it’s auto-generated. It hasn’t had a human’s eyes looking at it, figuring out what the idioms are, polishing it – that sort of thing.”

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