Would you like to try your luck?

你不想碰碰运气吗？

All right, you can try your luck!

那么您可以试一试。

Why not stop daydreaming and take the challenge and try your luck to apply for a degree there?

为什么不挑战自己，试着去申请耶鲁大学呢？

It's by chance you try your luck.

碰巧你碰碰运气。

There is a quiz, I should say, at www.engvid.com, you can try your luck with these words and see if you understand them.

有一个测试，在www.engvid.com，你可以试试，看看你是否掌握这些过渡词。

So, if you're interested in a truly unique and interesting challenge, you can try your luck at the Iditarod dog sled race.

所以， 如果您对真正独特而有趣的挑战感兴趣，您可以在 Iditarod 狗拉雪橇比赛中碰碰运气。

To try your luck at something is to do something even if you know it may not be successful - even if you know it may not work.

To try your luck at something 就是做某事，即使你知道它可能不会成功——即使你知道它可能行不通。