There can be many reasons for this, but as long as you give your best, it'll be  okay.

造成这种情况的原因可能有很多，但只要您尽力而为，一切都会好起来的。

But just remember the main thing is about: you can give your best when you feel relaxed, so just make that part of your preparation.

但请记住最主要的是：当你感到放松时，你可以尽力而为，所以把这作为你准备的一部分。