Word · Frequency #14304
backfire
（发动机的）回火；逆火
A sudden explosion caused by fuel burning in the wrong part of an engine, such as the cylinder or exhaust system.
- 1.
A premature explosion in the cylinder of a gas or oil engine during the exhaust or the compression stroke, tending to drive the piston in the wrong direction.
在气体或油发动机的排气或压缩冲程中发生的过早爆炸,导致活塞向错误方向运动。
- 2.
An explosion in the exhaust passages of an internal combustion engine.
内燃机排气通道中的爆炸。
- 3.
An explosion in other equipment.
其他设备中的爆炸。
（其他设备的）爆燃；爆炸；在气体或油发动机的排气或压缩冲程中发生的过早爆炸,导致活塞向错误方向运动。；内燃机排气通道中的爆炸。；其他设备中的爆炸。；逆火
In use
The old car's engine let out a loud backfire that startled everyone nearby.
His attempt to spread rumors turned out to be a backfire as he lost his own reputation.
To control the forest fire, the firefighters ignited a backfire along the ridge.
Connections
Collocations
- engine backfire
- 发动机回火
- An engine backfire is often caused by incorrect ignition timing.发动机回火通常是由不正确的点火正时引起的。
- exhaust backfire
- 排气管回火
- An exhaust backfire can damage the muffler.排气管回火会损坏消声器。
- loud backfire
- 响亮的回火声
- The truck gave a loud backfire as it accelerated.卡车加速时发出一声响亮的回火声。
- sudden backfire
- 突然的回火
- The sudden backfire surprised everyone in the garage.突然的回火让车库里的人都吓了一跳。
- backfire problem
- 回火问题
- The mechanic fixed the backfire problem by adjusting the carburetor.机械师通过调整化油器解决了回火问题。
Synonyms
Learner notes
Memory Tip
想象“back（向后）+ fire（火）”：火焰向后喷，正是发动机回火（逆火）的画面。
Context & Register
语域：neutral 常见场景：汽车维修、机械故障排查、工程/技术说明 作名词时属于中性表达，通常用于技术说明或故障描述，指发动机或设备内异常燃烧导致的爆燃现象；多出现在维修、工程或新闻报道等书面语境中。
Grammar Note
作名词时通常可数，尤指内燃机逆火或森林防火中的回火。
Pronunciation & Spelling
以上六词均以 -fire 结尾，读作 /faɪə/，与 backfire 同韵。注意 backfill (/ˈbækfɪl/) 和 backflow (/ˈbækfləʊ/) 虽以 back- 开头，但读音完全不同。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.