The Imprudent冒失者
imprudent investment谨慎投资
imprudent a轻率的;鲁莽的
imprudent expenditure不适宜的支出
imprudent t轻率的;不智的
imprudent behavior轻率的举动
imprudent t a轻率的
ADJ（形容词） If you describe someone's behaviour as imprudent, you think it is not sensible or carefully thought out. 不理智的; 不深思熟虑的 [正式]
...an imprudent investment.
...一笔轻率的投资。