backfires是什么意思？

backfires

• v. （内燃机等）发生逆火( backfire的第三人称单数 )，发生回火，（枪炮）向后爆发，发生意外；

例句

• My old car backfires all the time. 我那辆旧车老是回火.
• Also , this is why changing menus dynamically sometimes backfires. 这就是为什么动态地改变菜单有时候事与愿违.
• If the engine backfires , the sudden pressure in the intake manifold forces the valve back. 如果发动机回火, 进气歧管骤增的压力就迫使阀门向后移动.

柯林斯高阶英汉双解学习词典释义

• VERB
  事与愿违；适得其反
  If a plan or project backfires, it has the opposite result to the one that was intended.
  例句
  The President's tactics could backfire... 总统的策略可能会适得其反。 It all backfired on me! 一切都与我的愿望背道而驰！
• VERB
  （车辆或其发动机）逆火，回火
  When a motor vehicle or its engine backfires, it produces an explosion in the exhaust pipe.
  例句
  The car backfired. 车回火了。