n.轻率；不小心；不谨慎
He had the imprudence to run into debt. 他轻率举债。
All our previous efforts were wasted because of his imprudence. 他的轻率使我们前功尽弃。
Some dim ideas of imprudence or impropriety in the measure seemed to embrass him considerably. 他模模糊糊意识到这一行动似乎有点不正常，不谨慎，因而感到进退两难。
