Make a guess at the answer.
猜一下答案。

He made a wild guess at the answer.
他胡乱猜了个答案。

Well, we can hazard a guess at the answer.
噢，我们可以猜一猜答案。

At a guess， there were forty people at the party.
估计有四十人参加了聚会。

So I guess we'll have to get a place that has at least two acres.
那么，我想我们得有个至少有两英亩的地方。

But recently I jumped into a cab at LaGuardia Airport and guess what?
可近日我在拉瓜迪亚机场跳上了一辆出租车，你猜怎么样?

I guess the most recent story of me having a bad attitude at work seriously piss me off.
牠们最新一则关于我工作态度的故事真的令到我很生气。

I guess it was an ok movie overall, but sort of seemed to fall apart at the end though. I’d say the last 1/3 of the movie got a little too corny and nonsensical for me.
我想总体来说这是一部不错的电影，尽管结尾部分看起来有点和前面脱离。对于我来说这部电影的三分之一有些陈腐荒谬。

Last year around this time, I had been rejected from a job offer by a top company. I ended up working at a much smaller company. Today that “top company” is now about to go bankrupt, meanwhile our company is doing better than ever and I just got promoted. I guess it was a blessing in disguise.
去年这个时候被一个大企业拒了，后来去了家很小的公司，但是现在那家大公司破产了，而我现在的小公司已经成为了至今业绩最牛的公司。如今我晋升了，这就叫转祸为福吧。