First, you are sorry for what you've done, and you see the folly of it all?

首先，你为你所做的事感到抱歉，你明白这一切是多么愚蠢吗？

youdao

"It was the most stupid decision of my whole life," said Jack as he let out a Homer Simpson-style "Doh" to illustrate the folly of his actions.

“这是我此生做的最错误的决定，”杰克说，同时以霍默·辛普森式的“Doh”来表示自己行为的愚蠢。

《柯林斯英汉双解大词典》

The wealth of the wise is their crown, but the folly of fools yields folly.

智慧人的财，为自己的冠冕；愚妄人的愚昧，终是愚昧。

youdao

And finally they could not hold their traders report the same kind of income other people reported so they threw out the sound accounting and went to the folly accounting.

最后，他们无法像其他人那样,报告相同数目的收入，因此他们,抛弃了健全的会计制度,而转向了愚蠢的会计制度。

斯坦福公开课 - 经济学课程节选

I wanted him to consider the folly of his decision.

我想让他再考虑下他荒唐的决定。

What if 课堂 - SpeakingMax英语口语达人

Charlie you often complain that accountants are the root of much evil and also even more folly.

查理，你经常讲到会计是当今,糟糕经济的根源。

斯坦福公开课 - 经济学课程节选

Outside the Olympic bubble, the folly of trying to suppress private sales is well understood.

ECONOMIST: The Olympic tickets fiasco

He was just so happy, he said, shaking his head at the folly of his emotion.

NEWYORKER: Temporary

Both provisions show the folly of trying to conduct social policy through the tax code.

ECONOMIST: A fiscal failure