"very imprudent of her mother to encourage her in such silly romantic ideas" "would be imprudent for a noneconomist to talk about the details of economic policy"
lacking wise self-restraint;
"an imprudent remark"
例句
用作形容词(adj.)
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。