Thoughtful men ought not to be thoughtless about the drought.(体贴的人不应该对干旱考虑不周。)
How can you be so thoughtless?(你怎么这样不懂事？)
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？)
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。)
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？)
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。)
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。)
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。)
It astonishes me (that) he could be so thoughtless.(我真没有料到他会如此轻率。)
