adj.轻率的;不谨慎的
It would be imprudent to resign from your present job before you are offered another. 还没有得到新的工作就辞去现有的工作太轻率了.
It is imprudent of you to lend money to a stranger. 你把钱借给陌生人,未免太不谨慎了。
adv.鲁莽地;不小心地