A promise and a threat.

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But, you have not seen the last of me. No, sir. You've not seen the last of me. You will regret the day you were born.” He spat the words, seething vehemently.
https://books.google.com/books?id=a2tvAwAAQBAJ&pg=PA140&lpg=...
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You have not seen the last of me nor heard the last of me. I have come in peace, but I go to proclaim war.
https://books.google.com/books?id=_J07AAAAYAAJ&pg=PA63&lpg=P...
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“You have not seen the last of me,” I spat. “I will see your fortune and power fall if it is the last thing I do.” I turned toward Pierre. He nodded at me and smiled.
https://books.google.com/books?id=Hdj1CAAAQBAJ&pg=PT184&lpg=...
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Note added at 55 mins (2016-10-26 12:58:47 GMT)
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IDIOM
see the last of someone/something
to never see or hear about someone or something again
http://www.macmillandictionary.com/us/dictionary/american/se...
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see the last of
End one's dealings with someone or something, as in I hope I've seen the last of those boring ice shows, or We haven't seen the last of Jerry—he'll be back.
I don’t think we’ve seen the last of this controversial figure.
http://www.dictionary.com/browse/see-the-last-of
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see the last of (someone or something)
Popularity: Bottom 10% of words
Definition of see the last of (someone or something)
: to see (someone or something) for the last time <I hope that we have finally seen the last of them.>
http://www.merriam-webster.com/dictionary/see the last of (s...
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