You may feel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful you did it.

你可能觉得所有的训练都是在浪费时间，但我百分之百地肯定，以后你会庆幸你做过这一切。

youdao

You may feel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful for what you did.

你可能觉得所有的训练都是浪费时间，但是我百分之百确定你以后会感激你所做的一切。

youdao

Are you a hundred percent sure it's your neighbour?

你百分百肯定这是你的邻居？

《柯林斯英汉双解大词典》

Last year,more than six hundred twenty thousand, or three and a half percent, were international students.

VOA: special.2009.02.05

Why is this not necessarily a hundred percent accurate model?

为什么这不是一个绝对准确的模型

耶鲁公开课 - 博弈论课程节选

so this is why I'm not, I'm not a hundred percent sure

所以我也不能确定，

关于宿舍制度 - SpeakingMax英语口语达人

And that means we never get our way a hundred percent of the time.

WHITEHOUSE: President Obama Speaks to Town Hall Meeting at University of Maryland | The White House

Ms. SYLVESTER: Uhm, I wouldn't say a hundred percent happy, but I am glad it's gone.

NPR: Philadelphia's Gum Tree Cut Down

"I think it's a hundred percent, " she told reporters when asked if the problem was psychological.

CNN: Sharapova to face Venus in crunch clash