她经常想着她的家人；她也许永远都不知道他们怎么样了。

She thought constantly about her family; she might never know what had become of them.

《柯林斯英汉双解大词典》

也许你还不知道，他们现在已经开始接受补丁了。

And in case you did not know, they are now accepting patches.

youdao

也许创建者听说了他们不知道的新的、强大的敌人。

Perhaps the builders had heard of a new, formidable enemy that they had not.

youdao

But they don't I don't know, it's just -there isn't enough initiative in the world, not many people do it.

但是他们没有这样做,我不知道,也许只是,主动性不够,没什么人这样做

耶鲁公开课 - 金融市场课程节选

The theory doesn't try to explain why they separated. We don't know Perhaps it was disaffection.

这一理论并着力解释他们为什么分离，我们不知道,也许是因为逆反之意。

耶鲁公开课 - 旧约导论课程节选