We see each other once in a long while.

我们偶尔见面。

《新英汉大辞典》

I only use text messages once in a long while.

很长时间内仅使用过一次文本消息。

youdao

And that kind of rarity comes only once in a long while.

而这种稀有的是在很长一段时间里才会出现一次的。

youdao

But only once in a very long while do I come across a company that has held and maintained a tangible product advantage over the long haul.

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However, I also like to have some long games once in a while, because winning brings me greater enjoyment, having the feeling of having worked long and hard toward this goal.

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Either way, Oprah Winfrey will, for the first time in a long while, occupy center stage once again.

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