He made a wild guess at the answer.

他胡乱猜了个答案。

Browning's prediction is no better than a wild guess.

布朗宁的预言只不过是胡乱猜测而已。

"Just a wild guess," she said.

“只是胡乱猜的，”她说。

Not really, just take a wild guess.

不是，大胆猜一下。

Take a wild guess what Joy was up to.

大胆地猜想一下乔伊做的是什么工作吧。