A) boost citation counts for certain authors.

A）提高某些作者的引用次数。

Shh! We don't know that for certain.

嘘！那个还不确定呢。

Maybe electronic payments are good for online stuff for certain things.

也许电子支付有益于网上的某些特别东西。

I'm sure it can be for certain individuals.

对某些人来说确实如此。

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。

Some germs, like Listeria, can be deadly for certain people.

对于某类人群而言，如李氏杆菌等细菌可能会致命。

For certain consumers, it may not even be an issue.

对某些客户而言，这也许不是问题。

Not for certain I don't, and neither do you.

我不能确定 你也不能确定。

What I know for certain is that Bo blames me.

我知道波在怨我。