我要加倍努力，直到精疲力竭。即使这样，我还要继续努力。

I will labor harder than ever before and push my muscles until they Cry for relief, and then I will continue.

youdao

我意识到一直以来我没有尽全力去学习，所以我要加倍努力。

I haven't used all my capabilities to date. I am going to try harder.

youdao

新学期我要加倍努力，因为在过去的一学期，自己做得不是很好。

In the new term, Imust work harder. I did not do very well in the last term.

youdao