Well, they didn't say anything for sure.

他们没有给明确的答复。

youdao

But I'm not a doctor, so I can't say anything for sure so I won't.

但是，我不是医生，因此我不会发表意见，也不会去。

youdao

Make sure you don't eat anything like steaks for the next few hours, and we'll fill the other cavity tomorrow.

你要保证，在接下来的几个小时里，不要吃任何像牛排之类的东西。明天我们会把另一个洞补上。

youdao

We can't say anything for sure until we see what actually happens in November's election.

BBC: Gauging the fiscal cliff

We won't know anything for sure until the wraps are taken off.

ENGADGET

As we have argued throughout, when you are facing the unknown, the only way to know anything for sure is to act.

FORBES: What Do You Do When You Have To Choose Between Love and Money?