| 词汇 | backfire |
| 词根词缀 | 词源： 1839, Amer.Eng., originally "a fire deliberately lit ahead of an advancing prairie fire to deprive it of fuel," from back + fire (v.). As a verb in this sense, recorded from 1886. The meaning "premature ignition in an internal-combustion engine" is first recorded 1897. Of schemes, plans, etc., "affect the initiator rather than the intended object" it is attested from 1912, a fig. use from the accidental back-firing of firearms. |
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