backfire

適得其反、事與願違、反效果

Their plan to cut costs backfired and profits fell sharply.

他們削減成本的計畫適得其反，利潤大幅下滑。

回火、逆火指引擎

The old truck backfired loudly as it pulled away.

那輛老卡車開走時發出很大的回火聲。

回火、逆火

A sudden backfire from the engine startled everyone on the street.

引擎突然的回火聲嚇到了街上所有人。

迎面火、逆燒火消防

Firefighters lit a backfire to stop the flames from spreading.

消防員點起迎面火，阻止火勢蔓延。