If you are imprudent, you do not use good sense. You do not look ahead at what might go wrong, and you go on anyway. We say it of people, and also of the things they do: an imprudent loan, an imprudent remark, an imprudent trip with no water.

If you are imprudent如果你是imprudent（不謹慎）的, you do not use good sense就是沒有用好的判斷力。You do not look ahead at what might go wrong你沒有事先想過可能會出什麼差錯, and you go on anyway卻還是照樣做下去。We say it of people, and also of the things they do這個字可以形容人，也可以形容他們做的事: an imprudent loan, an imprudent remark, an imprudent trip with no water像是不謹慎的貸款、不謹慎的發言、沒帶水就出發的不謹慎旅行

The feeling is “you should have known better,” not “you were unlucky.” It is a careful, slightly formal word. In everyday talk most people say careless, unwise, or “that was not smart.” Reckless is wilder: you often saw the danger and still rushed in. Imprudent is quieter.

The feeling is "you should have known better,"這個字傳達的感覺是「你早該知道會這樣」, not "you were unlucky."而不是「你只是運氣不好」。It is a careful, slightly formal word這是一個講究、稍微正式的字。In everyday talk most people say careless, unwise, or "that was not smart."日常對話裡大家比較常說careless（粗心）、unwise（不明智），或「那樣做不聰明」。Reckless is wilderreckless則更狂放: you often saw the danger and still rushed in通常是你明明看到危險，卻還是衝了進去。Imprudent is quieterimprudent的語氣安靜多了

The mistake is that you did not stop to think, or you thought poorly. Teachers, lawyers, and newspapers still like it because it judges the thinking, not only the mess that followed.

The mistake is that you did not stop to think這個錯誤在於你沒有停下來想一想, or you thought poorly或是想得不夠周全。Teachers, lawyers, and newspapers still like it老師、律師和報紙還是很愛用這個字 because it judges the thinking, not only the mess that followed因為它評判的是思考過程，而不只是後來造成的爛攤子

Though actually, people also use it when they simply dislike a choice. Then it is less a fact and more a scolding.

Though actually, people also use it when they simply dislike a choice不過其實，大家也會在單純不喜歡某個選擇時用這個字。Then it is less a fact and more a scolding這時候它就不太算是陳述事實，比較像是在責備