Well, the truth is, no one knows for certain.

事实是，没有人知道是怎么回事。

Nobody knows for certain when Michael is coming back.

没有人确知迈克尔什么时候会回来。

There were many things Gabrielle Solis knew for certain.

有很多事情Gabrielle Solis自己很清楚。

What I know for certain is that Bo blames me.

我知道波在怨我。

No-one knows for certain what the Standing Stones of Callanish represent.

没人能够确定 卡拉尼什立石阵究竟代表了什么。

We saw it again and this time I knew for certain.

我们又看到了，这次我确信无疑。

One thing we know for certain though, they will be beautiful.?

我们可以肯定的是，它们将会非常美丽。

All I know for certain is that the pain is real.

不过死亡是假的。

We know for certain the trial will not start before Inauguration Day.

我们确信审判不会在就职日前开始。

But we will never know for certain if that was the true starting point.

不过我们永远无法确定这里是否是该病毒真正的起点。

So no one knows for certain which industries will generate the jobs of the future.

因此，没有哪个人敢确信知道哪个行业能在未来提供就业机会。

Only the gods know for certain. All the rest of us can do is pray.

这就只有诸神才知道了。我们能做的也就是祈祷了。

I mean, it's possible but I don't know that we know for certain either way.

是有这个可能的，但是我们无法确定。

Because this is the one planet in the universe that we know for certain is habitable.

因为这是宇宙中我们所确定能支持生命的一个星球。

Police didn't know for certain if it was connected to the device that went off nearby.

警方不能确定这个装置是否与附近爆炸的那个装置有联系。

“Did you KNOW that she crashed the car? ” questions whether the other person knew for certain.

“你【知道】她撞车了吗？”质疑对方是否确实知道。

Again, we don't know for certain, but it probably had something to do with how they saw the world.

我们还是不清楚，但这大概是和他们当时的世界观有关。

Scientists don't know for certain yet what's causing the fires but there's a lot of blame being thrown around.

科学家们还不能确定是什么引起了这场火灾，但是有很多责任在背后。

I just wanted to know for certain.

我只是想确定地知道。

There's one thing I know for certain.

我可以肯定地知道一件事。