以其人之道还治其人之身 give someone a taste of his own medicine 70．豁出去了 shoot the works 71.那某人当出气筒 take it out on someone .
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sounds a bit colloquial though
As well be hanged for a sheep as a lamb------豁出去了（sounds a bit colloquial though）:)
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... it's not much它不怎么样 risk it all豁出去了 so be it行，好的，没问题，就按你说的 ...
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