❶ (of firearms)discharge accidently;go off half-cooked ❷go too far in what one says;put sth too strongly;overstate ❸sparking（电学） ❹on fire;aflame 这可能引发一系列严重政治和法律后果，甚至导致擦枪～。This may lead to a series of serious political and legal consequences and trigger an unexpected crisis by accident./擦枪～touch-and-go/电线～electric sparks