"碰运气" 英文是 "to take a chance" 或 "to rely on luck." 来源不详.

例句:

I took a chance and bought a lottery ticket, and I won!

I'm taking a chance and quitting my job to start my own business.

We took a chance and ordered the new dish at the restaurant, and it was amazing!

中文翻译:

我碰运气买了一张彩票，然后我中了！

我正在碰运气，辞掉我的工作来创办自己的公司。

我们碰运气，在餐厅点了一道新菜，结果超棒的！