stupidity

She wondered at her own stupidity.

她没想到自己竟会这样愚蠢。

According to some scientists' research findings, dolphins seldom sleep because of their stupidity.

根据一些科学家的研究发现，海豚很少睡觉是因为它们的愚蠢。

"We spend a great deal of time studying history," Hawking said, "which, let's face it, is mostly the history of stupidity."

“我们花了大量的时间研究历史，”霍金说，“让我们面对现实吧，这大部分是关于愚蠢的历史。”

I couldn't believe my own stupidity.

我干的蠢事我自己都不能相信。

We've had enough of the horrors and stupidities of war.

我们受够了战争的种种恐怖和愚蠢。