backfire
US /ˌbækˈfaɪr/
UK /ˌbækˈfaɪr/
1.
适得其反, 事与愿违
to have an unintended and unwelcome result opposite to what was intended
:
•
His plan to surprise her backfired when she found out beforehand.
他想给她一个惊喜的计划适得其反，因为她提前知道了。
•
The new policy might backfire and cause more problems than it solves.
新政策可能会适得其反，造成比解决更多的问题。
2.
回火, 逆火
of an internal combustion engine: undergo a premature explosion in the inlet manifold or exhaust system, causing a loud noise
:
•
The old car's engine often backfired when starting.
那辆旧车的发动机启动时经常回火。
•
You could hear the motorcycle backfire as it sped down the street.
你可以听到摩托车在街上疾驰时回火的声音。
1.
回火, 逆火
a premature explosion in the inlet manifold or exhaust system of an internal combustion engine
:
•
The mechanic identified a loud backfire as the cause of the engine trouble.
机械师将巨大的回火确定为发动机故障的原因。
•
The sudden backfire startled everyone on the street.
突然的回火吓坏了街上的所有人。