He is always careless about his schoolwork, so he keeps making the same mistakes.

他在功课上总是粗心大意，所以他老是犯同样的错误。

youdao

With their minds so occupied by research, many scientists are careless about how they live.

因为他们满脑子都是研究，许多科学家不太管顾他们的生活。

youdao

Children can be careless about things like that, and he won't make a big fuss about it unless it becomes a regular thing.

孩子们在这种事情上可能会粗心大意，但除非这成为常态，否则他不会大惊小怪。

youdao

But it may also be that investors are more careless about choosing hedge funds than they should be.

ECONOMIST: Buttonwood

His main shortcoming is that, in his haste to criticise, he is careless about facts that do not suit.

ECONOMIST: Zut alors, even Britain is ahead

"Some of this is genetic, and I may have done some damage in those years when I was too careless about what I ate, " he said.

CNN: Clinton 'recovering normally' after bypass