M: No, but I am sure it won't take more than an hour.

M：不知道，不过我确定应该不超过一个小时。

youdao

I`m not sure whether it`s good for him being a university student at this age. But I hope he can get a good job in the future, " she said.

我不知道他现在这个年纪去读大学是好还是坏，但我希望他将来能找份好工作。

youdao

I 'm sure it was an accident right.?

我敢肯定那是意外，对吗？。

youdao

What does it mean to him? "Nothing,and I'm not even sure when it is.

VOA: special.2010.02.08

I'm not at all sure there's anything more to be said about that passage, which I think lays it to rest.

我不确定这篇文章是不是,还要更多的讲解，就这样的吧。

耶鲁公开课 - 文学理论导论课程节选

So my walk is, it's not confident and I'm not sure if I'm strong in my step yet.

所以我的走姿不是特别自信，担心步伐会不稳。

I wonder if 实战 - SpeakingMax英语口语达人

"I'm sure that it has disappointed people, and I'm sure it affects their confidence and morale, " said the union leader.

BBC: 'Relief' at Toyota jobs decision

Mr. STEVE SMITH(ph) (Owner, Royale): I'm sure it was a little bit fast and loose, more loose than it had been done, but I'm sure it's actually probably more in the proud tradition of this sort of roughneck River City that we're in.

NPR: Missouri Voters Have a History of Picking Presidents

It's evident Donna - I'm sure it's evident to the folks in this room, Donna and I are friends, and we don't agree.

NPR: Does Partisanship Have Its Place in Politics?