If you have strong and healthy good habits, it doesn't matter whether you fail or not today, because you are sure to succeed in the end.

如果你有强壮健康的好习惯，今天失败与否都不重要，因为你最终一定会成功。

youdao

Today they are still not sure if there was life on Mars.

今天他们仍然不确定火星上是否有生命。

youdao

Today, you can't be so sure.

但在今天，你就不能这么肯定了。

youdao

"If you ask them whether they will receive a pension and what age, they say "I'm not sure whether I will be in the position of pensioners of today."

VOA: standard.2010.06.16

So when you go home today or some time this weekend, make sure you read this page in detail.

因此，请大家在今天回家之后或者在周末找个时间，务必仔细读一读这页纸。

麻省理工公开课 - 化学原理课程节选

Fore sure, I was just dealing with someone today who lost some parent and lost a relationship.

可以，我今天刚和一个人谈过,他失去了一个双亲，也失恋了。

普林斯顿公开课 - 人性课程节选

And I am sure that today on Capitol Hill you will be meeting with members of Congress and spreading the word.

NPR: Transcript: Obama's Speech at AIPAC

Still, as elsewhere, the main burden falls of care on women, there are tensions between generations, and no-one is sure that today's teenagers, growing up in a more individualistic culture, will want to take their turn as carers in twenty years' time.

BBC: Under One Roof?

To be sure, professors today worry more about student ratings than they did in the past.

FORBES: Online Education Experiments at the Margin