You will pay for your improvident and undisciplined behavior. 你会为自己轻率任性的行为付出代价的。
Her improvident speech at the meeting has set a stone rolling. 她在会上的发言缺乏远见，已产生严重后果。
He must bear the consequences of his improvident action. 他必须对自己挥霍浪费所造成的后果负责。
Mining likewise was carried on in the most superficial and improvident fashion and consequently the maximum of labor yielded but a minimum of result. 矿业也是在最肤浅而不经济的方式下进行，因此在极大的劳力中获取微小的成果。
