A Flash in the Pan It refers to an effort of doing something that attracts notice but does not succeed , or to a brief success which is not followed up , or to a person who makes such an effort or achieves such a success. It is from the explosion of gunpowder in the pan of an old flint-lock gun, which fails to fire the change.昙花一现指努力做一件事虽引人注目但最终失败，或指一时的成功，之后不能继续获得成功，也指作出这样的努力或取得这样成功的人。它源自老式的燧发枪发射时， 炸药在火药池中爆炸而使发射失败。a flash in the pan :昙花一现
