那辆旧卡车在启动时突然发出巨大的爆裂声。
The old truck made a loud ___backfire sound when starting.
他本想通过迟到显示自己很忙,结果却适得其反惹恼了老板。
His plan to appear busy by arriving late ___backfired and only annoyed the boss.
那辆老爷车每次减速时都会发出爆震声。
The vintage car ___backfires every time it slows down.