It astonishes me (that) he could be so thoughtless.

我真没有料到他会如此轻率。

I seem to be in evil case—and all for an innocent and thoughtless pleasantry.

我似乎陷入了不幸的境地——而这一切都是出于一种天真而轻率的玩笑。

How very thoughtless. I'll give him a piece of my mind.

太欠考虑了。我要狠狠地批评他。

It was a thoughtless remark and I regretted it immediately.

这是一句欠考虑的话，我马上就后悔了。

Very thoughtless of him, I call it.

我认为他太粗心了。

How can you be so thoughtless?

你怎么这样不懂事？

It is thoughtless of you to do so.

你这样做，太不懂事。

No, no, don't say it was thoughtless!

不，不，别说那件事是欠考虑的！

She forgave him his thoughtless remark.

她原谅了他轻率的话语。

That hurt, Bend down, you thoughtless... ow!

弯下身来！你这个粗心鬼…哎唷！

You do forgive your thoughtless friend for her cruelty?

你真会饶恕你这位全无心肝的朋友这样残酷吧？

Thoughtless boy have deface the desk by marking on them.

轻率的男孩子们在桌面上乱画而把桌面弄坏了。

Thoughtful men ought not to be thoughtless about the drought.

体贴的人不应该对干旱考虑不周。

She was horrified that hikers and campers could be so thoughtless.

她震惊于远足者和露营者何以如此自私。

Moreover, a thoughtless act or remark can spoil a perfect relationship.

此外，欠缺考虑的行动或言论也可能破坏完美的关系。

Thoughtless boys defaced the gate of the school with rude message in blue paint.

轻率的男孩们用蓝油漆在学校大门上涂写了一些粗鲁话。

She didn't dare to do anything thoughtless, otherwise she would lose her second son.

她不敢做任何轻率的事情，否则她将失去第二个儿子。

Margo: you're not such a bargain, you know. You're conceited and thoughtless and messy.

玛歌：你可不是那样的便宜货，你知道。你自负又无知，还脏乱。

If someone makes a thoughtless comment to you, what's the first question you ask yourself?

有个人对你有偏见，你会首先问你什么问题？

Moreover, a thoughtless act or remark can spoil a perfect relationship. Remember these rules.

此外,欠缺考虑的行动或言论也可能破坏完美的关系。

"My dear Fanny, " cried Edmund, immediately drawing her arm within his, "how thoughtless I have been!

“亲爱的范妮，”埃德蒙立即挽住她的胳臂，说道，“我多不会体谅人哪！

There at least can be recognized the thoughtless man, and he continues to hasten toward some hope or other.

这里，至少我们会发现没有思想的人，他们匆匆赶往这种或那种希望。

Very often a thoughtless remark may hurt others' feelings or cause a misunderstanding or an embarrassment.

一段欠缺考虑的话往往会伤害到别人的感情，或造成误会甚至尴尬的情况。

YouTube is a vast collective experiment to invent the future of television, one thoughtless, wasteful upload at a time.

YouTube就是一个巨大的实验室，通过一次次粗心，一次次上传来探索未来的电视。