區別不大，fool與idiot這兩個名詞均有“笨蛋、傻瓜”之意。
fool : 壹般指缺乏智力、無判斷力和識別能力、頭腦糊塗的人。
You fool, you missed your chance!
妳這個傻瓜，妳錯過機會了！
He's a fool if he thinks she still loves him.
如果他以為她還愛著自己，那他就是個傻瓜。
He said he would pay me back and like a fool, I believed him.
他說會還我錢，我象壹個傻瓜壹樣相信了他。
He's a fool to think she still loves him.
他以為她還愛著自己，真是個傻瓜。
idiot : 指智能低、動作遲鈍、行為不符合正常的人。
Some idiot left the tap running in the bathroom and there's water everywhere.
哪個白癡忘了關浴室的水龍頭，水流得到處都是。
You stupid idiot - that's a month's work you've lost!
妳這個十足的白癡——妳損失了壹個月的工作！