with a bang 〈口〉 1. 砰的一声，砰地 explode with a bang 砰一声爆炸 2. 突然 The idea hit him with a bang. 他蓦地想到了这个主意。 3. 猛烈地；一鼓作气地；热烈地 The monsoon began with a bang. 季风猛地刮了起来。 Economic cooperation between the two countries started with a bang a year ago. 一年前两国之间的经济合作顺利开展了。