noun🔗Share迎え火A small, controlled fire set in the path of a larger uncontrolled fire, in order to limit the spread of the large fire by removing its fuel."The firefighters used backfires to protect the town from the approaching wildfire. "消防士たちは、迫り来る山火事から町を守るために迎え火を使った。environmentdisasterfuelactionChat with AIVocabulary GamePractice Reading
noun🔗ShareバックファイアAn explosion produced either by a running internal combustion engine that occurs in the air intake or exhaust system rather than inside the combustion chamber or unburned fuel or hydrocarbons ignited somewhere in the exhaust system."The old car's backfires were so loud they startled everyone on the street. "古い車のバックファイアはとても大きく、通りにいる全員を驚かせました。technicalvehiclemachinesoundenergyfuelindustryChat with AIVocabulary GamePractice Reading
noun🔗Shareバックファイア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."The old car's backfires were so loud they startled everyone on the street. "その古い車のバックファイアはとても大きく、通りの人々を驚かせた。technicalmachineenergyvehicleChat with AIVocabulary GamePractice Reading
noun🔗ShareバックファイアAn explosion in the exhaust passages of an internal combustion engine."The mechanic diagnosed the car's loud popping noise as backfires in the exhaust system. "整備士は車の大きなポップ音を排気系のバックファイアと診断した。technicalmachinevehiclesoundenergyChat with AIVocabulary GamePractice Reading
verb🔗Share逆火する, 吹き返す(of a gun, cannon, Bunsen burner, etc.) To fire in the opposite direction, for example due to an obstruction in the barrel."The student's poorly aimed rocket backfired, sending the flaming fuel directly into his own face. "学生が狙いを外したロケットは逆火し、燃える燃料が彼の顔に直接飛び散った。technicalmachineweaponChat with AIVocabulary GamePractice Reading
verb🔗Shareバックファイアする(of an engine) To experience a premature ignition of fuel or an ignition of exhaust gases, making a popping sound."The old car often backfires loudly when I try to start it in the cold. "寒い日にエンジンをかけようとすると、その古い車はよくバックファイアを起こして大きな音を立てる。vehiclesoundmachinetechnicalChat with AIVocabulary GamePractice Reading
verb🔗Share裏目に出る, 逆効果になるTo fail in a manner that brings down further misfortune."His attempt to make money by importing luxury cars backfired horribly when fuel prices tripled."高級車の輸入で金儲けをしようとした彼の試みは、燃料価格が3倍になったとき、ひどい裏目に出た。outcomeactionnegativeeventChat with AIVocabulary GamePractice Reading