I will never resign myself to failure for I believe I can make progress if I keep trying.

我不会听任失败的摆布，因为我相信只要一直努力就能取得进步。

youdao

I keep trying to lose weight, but it keeps finding me.

我坚持减肥，但肥胖总能找到我。 我舍弃为了健康而慢跑的理由。

youdao

There have been many impossible situations in my life, but I keep trying.

我的一生中虽然有许许多多的不可能，可我还是不会放弃努力。

youdao

But Helen wanted to keep trying. She said, "I think it will make my mind stronger to do it now."

VOA: special.2009.11.08

The formalists don't want to keep that distinction for the reasons that I have been trying to develop.

就像我已经阐述过的一样,形式主义者不认同这种区别。

耶鲁公开课 - 文学理论导论课程节选

but I think my advice would be just to keep on trying, really.

但是我想我的办法是坚持下去，真的。

要继续努力 - SpeakingMax英语口语达人

But I keep trying, even at this advanced age.

NEWYORKER: Letters to an Editor

So I plan to keep on trying and I think it's important to the fans to keep on putting on good performances.

CNN: Interview with K.J. Choi

I'm constantly trying to keep people guessing as to what I'm doing.

WSJ: Dan Brown's Secret to Keeping Secrets