n.輕率；不小心；不謹慎
He had the imprudence to run into debt. 他輕率舉債。
All our previous efforts were wasted because of his imprudence. 他的輕率使我們前功盡棄。
Some dim ideas of imprudence or impropriety in the measure seemed to embrass him considerably. 他模模糊糊意識到這一行動似乎有點不正常，不謹慎，因而感到進退兩難。
