If at first you don't succeed, try, try again.

一次不成功就反复尝试。

《牛津词典》

If you try a sales technique and flub it, not making a sale, will you try it again?

如果你尝试了一种销售技巧，但是没有成功，一份单子都没做成，你会再试一次吗？

《柯林斯英汉双解大词典》

You might as well have a try.; Why not have a try?

你何妨试一试。

《新英汉大辞典》

Then a climber has to try to move sideways as she moves forward to try to avoid hanging completely upside down.

VOA: special.2009.12.09

And, if we wanted to try to fit, say, hydrogen, into this scheme that we have, we have to do what?

如果我们想要让他们符合我们的原理比如氢气，我们需要怎样？

麻省理工公开课 - 固态化学导论课程节选

So, I'm probably, actually going to try and find, find an entrepreneur and try to work for him this summer.

所以，我可能这个夏天，会试着找到一个创业者，并跟着他工作。

要想成为事业家 - SpeakingMax英语口语达人

You can either try to dance to it or try to escape it as much as possible.

BBC: This is Buenos Aires week

"I try to go with general, easy questions to try to feel them out, " he says.

WSJ: More Doctors Broach Subject of Women's Age and Fertility

Knowing that gives me hope for when I try again, and I WILL try again, soon.

BBC: Sandra Green