Indeed, I am sure of it.

是的，我敢肯定。

youdao

I tell you that I am sure of it, and that I recognized him.

告诉你，我准没有看错，我已认清了，是他。

youdao

'I know it,' said Solomon. 'I am sure of it,' and he applied himself to a second glass of the old Madeira, with increased relish.

“我知道这一点，”所罗门说道，“我相信这一点，”他更加津津有味地喝着第二杯马德拉陈酒。

youdao

"It is one of those traditions here in South Africa that I am not sure they are going to take away.

VOA: standard.2010.06.14

In this case, I probably want to make sure I use absolute value of x before I carry it on. Yes ma'am.

在这个例子中，我可能想确定,在进行测试前我用的是x的绝对值,什么问题？

麻省理工公开课 - 计算机科学及编程导论课程节选

"I am sure there will be some compromises but at the end of the day, I would expect that it would look very much like the Senate version,"

VOA: standard.2009.12.27

"I am sure it will be of wide use to the whole sector in shining a spotlight on this previously poorly investigated area, " he said.

BBC: Elderly rehab services 'lacking'

And unless it is sorted out to the satisfaction of the people of Kenya, I am sure that it will spell doom to democracy in our country.

NPR: Kenyan Opposition Leader Calls for New Election

It would certainly change the face of F1 but I am not sure it would make it better or more entertaining.

BBC: F1 bosses scoff at proposals