These lessons are in no way rules, but hopefully an eye opener!

这些总结中并没有绝对的规则，但希望能让你开启思路。

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I think the article is an eye opener.

我觉得这篇文章让人大开眼界。

youdao

It was a real eye opener, I can tell you.

我告诉你，这真的令人大开眼界。

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It was an eye-opener, but these days, the children are younger.

这是让我开眼界的事情，但是现在，孩子们更小了。

现在的孩子好可怕 - SpeakingMax英语口语达人

"The sessions have been a real eye opener and I can't get enough of them, " she said.

BBC: ?16m life skills programme launch

The article 'The great British country show: A cultural eye opener' was published in partnership with Lonely Planet.

BBC: The great British country show: A cultural eye opener

It was a real eye opener as to the power of social media.

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