be an eye-opener

基本解释

At $60, 000, it won't sell in big numbers, but it should be an eye-opener for people who still think Hyundai is a joke.
售价为6万美元，销售数量也不会大，但它让那些把现代车当成笑话的人开开眼。
For both those who know nothing about the subject as well as those who understand its real depth, this summit is going to be an eye-opener.
无论是对瑜伽了解甚少还是知之弥深，这次峰会对他们而言都将大开眼界。
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The stint has proven to be an eye-opener - it has given me a better understanding and appreciation of where Singapore stands and what it takes for us to keep up with the fast-changing world.
这两个月里所见所闻让我对自己作为一个新加坡人的意义有了更深一层的认知与体会。

For those not lucky enough to stay in the world's grandest hotels, this book will be an eye-opener that may make them wonder who, in fact, are the lucky ones.
ECONOMIST: Luxury hotels
On the face of it perhaps not much, as it may seem to be little more than an eye-opener.
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Just a few days before Geithner's embarrassing revelation, the Taxpayer Advocate Service issued its annual report to U.S. Congress. (The service, part of the IRS, was designed to help taxpayers resolve complaints with the agency that can't be resolved through normal channels.) The report was an eye-opener as to just how horrifically complicated the code has become.
FORBES: Fact and Comment