backfired
v.
（内燃机等）发生逆火( backfire的过去式和过去分词 );
发生回火;
（枪炮）向后爆发;
发生意外;
例句:
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The failed coup attempt backfired on the plotters.
来自VOA
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The car backfired.
车回火了。
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It all backfired on me!
一切都与我的愿望背道而驰！
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Unfortunately the plan backfired.
不幸的是，计划产生了适得其反的结果。
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Has the same centralised magic potion somehow backfired?
来自BBC
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In most cases, I have found it has backfired.
来自WSJ