Yes, I am very sure.

是的，我很确定。

youdao

I am very sure that in my lifetime we will have a definitive answer to one question that has been debated, with little data, for hundreds of years.

我很有把握在我的一生中我们将由于数据很少几百年来一直以来被争辩的一个问题的确定答案。

youdao

I am very sure one day we will see hazards in the museum.

我非常确定总有一天博物馆里会发生意外。

youdao

Mr Mellor said there was no evidence of a co-ordinated international effort - the would-be mediators were "all saying the first thing that comes into their heads and I am not sure that is very helpful".

BBC: Setback for Cook peace bid

For sure, I am not very happy.

FORBES: It's Killing Me! Six Ways to Manage Debilitating Stress

Let me state that I am sure Sotomayor and I don't agree on very much.

CNN: Commentary: Don't go to war over Sotomayor