I realized I was babbling like an idiot.

我意识到我像个傻瓜一样在胡言乱语。

《牛津词典》

When I lost my passport, I felt such an idiot.

我丢了护照时觉得自己像个大傻瓜。

《牛津词典》

youdao

I don't know a word of Russian, and so I actually try to avoid using the rather well-known Russian equivalents for these terms because I feel like an idiot.

我不懂俄语，所以我不用俄语读,而就用这个英语中通行的俄语替代词,这样感觉是不是挺傻的。

耶鲁公开课 - 文学理论导论课程节选

In problem set 5, last year I took a stroll around campus with one of the teaching fellows with his digital camera, we shot photographs of identifiable but non-obvious spots on campus and then like an idiot I always seem to erase my compact flashcard accidentally.

在习题集5中,去年我和另一位老师一起带着数码相机在校园里闲逛，我们在校园里没有目的地乱拍,像一个傻瓜一样,我一不小心清空了,我的便携闪存卡。

哈佛公开课 - 计算机科学课程节选

Whoever wrote this remark is an idiot.

无论谁写的这条评论，他就是个白痴。

耶鲁公开课 - 死亡课程节选

"If Ecclestone says he was an idiot, I will certainly not contradict him, " Dieter Graumann, vice president of the council, told Handesblatt newspaper.

CNN: Jews dismiss F1 boss's apology for praising Hitler

But anyone who says that there is money to be made in a stash of ACADEMIC ARTICLES is either an idiot or a liar.

FORBES: Open Data Activist Aaron Swartz Dies Aged 26: 'Uncompromising, Reckless and Delightful'

That, too, ironically, is a fact that liberals ignored, caricaturing Reagan as an idiot, a simpleton, an "amiable dunce, " as Clark Clifford famously called him.

CNN: Ronald Reagan: Same-sex marriage advocate?