once-in-a-lifetime

常見例句

I missed out on some once-in-a-lifetime trips. My fiancé went all over Europe in college and I am very jealous of her for it.
如果可以就去國外念書，我錯過了許多次千載難逢的旅行機會，我未婚妻就曾在大學時游遍歐洲，對此我非常的妒忌。
But those that do consider it a once-in-a-lifetime opportunity for their children to experience the life of a princess, if only for a week.
但也有的家長覺得這是一次千載難逢的好機會，可以讓自己的女兒體驗一回當王妃的感覺，哪怕只有一周也好。
Study abroad if you can. I missed out on some once-in-a-lifetime trips. My fiancé went all over Europe in college and I am very jealous of her for it.
如果可以就去國外念書，我錯過了許多次千載難逢的旅行機會，我未婚妻就曾在大學時游遍歐洲，對此我非常的妒忌。

For the fans,it will be a once-in-a-lifetime opportunity to join the celebrations and see the world's greatest football players compete at home in Africa.
And then other people are really excited because it's a once-in-a-lifetime opportunity
而另外一些人真的很興奮，因為這是一個一生只有一次的機會，
正準備奧運會 - SpeakingMax英語口語達人
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