carelessness

英 [ˈkeələsnəs]

美 [ˈkerləsnəs]

n. 粗心大意；草率；快活；淡漠

BNC.14148 / COCA.19116

柯林斯词典

ADJ-GRADED 粗心的;大意的
If you arecareless, you do not pay enough attention to what you are doing, and so you make mistakes, or cause harm or damage.
1. I'm sorry. How careless of me...
  对不起,我太不小心了。
2. Some mothers were a bit careless with money...
  有些当妈妈的花钱有点随意。
3. Mr Clarke had pleaded guilty to causing death by careless driving.
  克拉克先生疏忽驾驶,致人死亡,已经认罪。
ADJ-GRADED 不在乎的;不在意的
If you say that someone iscareless ofsomething such as their health or appearance, you mean that they do not seem to be concerned about it, or do nothing to keep it in a good condition.
1. He had shown himself careless of personal safety where the life of his colleagues might be at risk...
  当同事身处危险时他表现英勇，不顾个人安危。
2. She's careless about her hygiene...
  她不注意个人卫生。
3. That shows a fairly careless attitude to clothes, doesn't it?
  那表明此人不讲究穿着,是吧?
ADJ-GRADED 随意的;自信的;轻易的
If you describe someone's movements ascareless, you mean that they are relaxed or confident, and do not seem to require much effort or thought.
1. With a careless flip of his wrists, he sent the ball quickly on its way.
  他手腕轻轻一抖,球就飞出去了。

noun

failure to act with the prudence that a reasonable person would exercise under the same circumstances
Synonym:negligenceneglectnonperformance
the quality of not being careful or taking pains
Synonym:sloppiness

I used this word from carelessness.
我使用这个词是出于疏忽。
Carelessness often causes accidents.
疏忽大意就可能引起事故。
I can not tolerate your carelessness.
我不能宽容你的粗心大意。
The accident was caused by the carelessness of the driver.
车祸是由于驾驶者一时疏失而引起的。
Because of her carelessness, she failed.
因为粗心。她失败了。
Mistakes due to carelessness may have serious consequences.
由粗心大意造成的错误有可能带来严重的后果。
The father dressed his boy down for his carelessness.
父亲斥责孩子粗心大意。
They ascribed the forest fire to carelessness.
他们认为森林大火是由于疏忽造成的。
Your carelessness was a contributory cause of the fire.
你的粗心大意是造成火灾的原因之一。
This time he excused my carelessness.
这次他原谅了我的疏忽不慎。