If I might hazard a guess , I'd say she was about thirty.

让我来猜的话，我说她大约三十岁。

《牛津词典》

Would you like to hazard a guess ?

你想猜猜看吗？

《牛津词典》

At a guess he's been dead for two days.

据猜测，他已经死了两天了。

《柯林斯英汉双解大词典》

But this information was only a guess.

VOA: special.2009.12.23

The basic idea is, you take a guess and you -- whoops -- and you find the tangent of that guess.

首先取个猜想数,然后，嗯,去取猜想数那儿的切线。

麻省理工公开课 - 计算机科学及编程导论课程节选

I guess you got a higher score, as you are a Brown student. How did you prepare for the test?

能被布朗大学录取，我猜你的分数一定很高。你是如何准备考试的呢？

被学问的自由所迷住 - SpeakingMax英语口语达人

Of the 50% about 20-25% goes to China, a guess, but you get the point.

FORBES: Don't Take The Customer For Granted

At this point in time, the eventual outcome of the post-sequestration world remains a guess.

FORBES: Estate Planning Moves BEFORE Sequestration Is Resolved

Anyone want to wager a guess on when Facebook raises another large round of cash?

FORBES: New Facebook Fundraising Makes Zuckerberg A Far Richer Billionaire