What you are doing is an act of crass stupidity.

你的这种做法真是愚蠢透顶。

The crass young man was condemned by others.

这个不考虑他人感受的年轻人遭到了别人的谴责。

He made crass and sarcastic comments on the progress his son had just made in the exam.

他对儿子在考试中刚刚取得的进步说了些风凉话。

He made crass comments about her worn-out clothes.

他对她的破旧衣服说了些愚蠢的话

The government has behaved with crass insensitivity.

政府表现得粗暴愚蠢，毫不体恤。

Crass, maybe. But true nonetheless.

俗了不是？也许吧，但这是事实。

As a crass American you do a good job.

作为一个地道的美国人你干得真不赖。

That looks extreme, but abuse can be crass.

这看似有些极端，但恣意挥霍可以没有止境。

I went looking for recent usages of the word crass.

不久前，我查了查单词crass一些新近的用法。