idiot

/ˈɪdiət/📚 6022 2六级考研托福雅思
If you call someone an idiot, you are showing that you think they are very stupid or have done something very stupid. 笨蛋

noun [专属名词]白痴,笨蛋;<古>弱智者,低能儿

I knew I'd been an idiot to stay there.
我知道我呆在那儿很傻。

idio(独特的) + t → 智力、 行为与一般人相比很独特 → 傻子
单词造句:
网友用“Idiot”造句精选
I felt like a complete idiot. 我感到完全像个傻瓜。
He was a blithering idiot. 他是个十足的傻瓜。
You flaming idiot! 你这个讨厌的笨蛋!