This decision is, I feel , a huge mistake.

我认为这个决定是个天大的错误。

《牛津词典》

And that would be a huge mistake.

而这，将是一个巨大的错误。

youdao

In hindsight that was a huge mistake.

日后才发现是一个巨大的错误。

youdao

Paley's friends and advisers told him that he had made a huge mistake.

VOA: special.2010.01.31

It was a huge mistake.

这是个巨大的错误。

斯坦福公开课 - 经济学课程节选

That's the big negativity in United States. The United States is making a huge mistake

这恰恰是美国的消极面了。美国正在犯一个大错误。

美国偶像 - SpeakingMax英语口语达人

She recognized that I was devastated because I had made such a huge mistake.

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We just blew millions of dollars on a campaign that proved to be a huge mistake.

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The best organizational learning (and individual learning) occurs right after you make a huge mistake.

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