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

I'm a hundred percent sure that is bound to happen.

我百分之百确定那是一定会发生的。

youdao

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

所以我也不能确定，

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