misfired
v.
（指枪、发动机等）不发火，不启动( misfire的过去式和过去分词 );
（指计划等）失败;
例句:
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The boat's engine misfired after he tried to start it up.
他试着启动船的引擎，但没发动起来。
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The gun misfired after one shot and jammed.
开过一枪后，枪哑火卡住了。
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Some of their policies had misfired.
他们的一些政策已经失败了。
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But it misfired and knocked down a street lamp.
来自NEWYORKER
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Misfired Syrian shells have exploded inside Israel on several occasions.
来自THETIMES
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No one would ever guess that the gun had misfired.
来自NEWYORKER