愚蠢用英语怎么说

愚蠢在英语中通常翻译为"stupid"或"dumb"。这个词源自拉丁语，它的本义是"无理性的"或"无感情的"。例句：

He was too stupid to realize the danger he was in. 他太愚蠢了，没有意识到自己所处的危险境地。
I can't believe you did something so dumb. 我不能相信你做了这么愚蠢的事。
I'm feeling really stupid today. 今天我感觉真的很愚蠢。
That was a really stupid thing to say. 说那句话真是太愚蠢了。