无论多难，总有一天我会成功的。

No matter how hard it is, I will make it one day.

youdao

我相信总有一天我会成功的。

I believe I can success one day.

youdao

我现在一直都很努力，我相信总有一天我会成功的。

I've been working hard, I believe I'll be successful someday.

youdao

我现在一直都很努力，我相信总有一天我会成功的。

I've been working hard, I believe I'll be successful someday.

youdao