I could't be more sure.

我再也肯定不过了。

youdao

To be sure, there is a process more immediately responsive to the people's will might have ousted Lincoln and Washington in their unpopular moments.

诚然，这一进程能更迅速地响应人民的意愿，就可能在林肯和华盛顿不得人心的时刻将他们赶下台。

youdao

When they get to know me and to trust me, knowing for sure I'm not selling them something—there'll be more honest feedback from them.

当他们开始了解我、信任我，并确信我不是在卖什么东西给他们时，他们会给出更诚实的反馈。

youdao

Scientists say more information is needed before they can be sure that painting roofs white would help battle rising temperatures.

VOA: special.2010.03.02

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

He's more likely to be someone who plays by the rules, avoids dangers, and bets on the sure thing.

他们只会循规守据,只做自己有把握的事情，绝不做任何有风险的事。

耶鲁公开课 - 政治哲学导论课程节选

But if there is one thing about which investors can be more or less sure, it is that for the first time in years, official interest rates in America, Europe and Japan are heading in the same direction.

ECONOMIST: Investors should beware the tug of higher interest rates

She says creating a civil rule would be more effective in making sure paparazzi stay in line.

NPR: APNewsBreak: Steven Tyler Act Stalls In Hawaii

Anderson said the league office will be more proactive in making sure fields are suitable for games.

WSJ: NFL could eliminate tuck rule