我相信有一天我会成为一名真正的党员。

I believe I will be a real Party member one day.

youdao

爷爷，您给了我希望，让我相信有一天我也可以成为一个负责任的人。

Grandpa, you gave me hope to believe that I could also be a responsible person one day.

youdao

我相信有一天我们能够完全战胜癌症。

I believe that we can conquer cancer totally someday.

youdao