backfiring
v.
（内燃机等）发生逆火( backfire的现在分词 );
发生回火;
（枪炮）向后爆发;
发生意外;
例句:
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The engine keeps backfiring all the time.
发动机老是回火.
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The next day Dad set out, his old pickup backfiring as he headed dirt road.
第二天,爸爸开着他那辆老掉了牙的小吨位货车去拜访当地的地主.
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The EPA's rules about what constitutes hazardous waste are backfiring against the nationwide recycling effort.
环保署关于有害物质的法规同全国资源回收的工作正好唱反调.
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But as in the past, this latest drive risks backfiring.
来自BBC
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He says the austerity cuts are backfiring for the Greek economy.
来自VOA
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Building in a rigid response to deal with a crisis is tempting for leaders, but risks backfiring.
来自WSJ