我相信我能为祖国作出贡献。

He persuaded himself that he could finish the business.

我相信我会飞，我相信我能触及天空。

I believe I can fly and I believe I can touch the sky.

我相信我能成功。

Im confident that I can succeed.

精益求精，我相信我能把衣服做好。

Excelsior , I believe I can have made the clothing.

我相信我能胜任它并且做到最出色。

I believed that I can be competent it, and achieves splendidly .

精益求精, 我相信我能把衣服做好.

Excelsior, I believe I can have made the clothing.

对我来说毫无问题，我相信我能为您做任何事情。

No problem for me. i believe i can do anything for you.

至于地平学说, 我相信我能驳斥它.

As for the Flat Earth theory, I believe I could refute it.

我相信我能毫不费力地学会开747机。

And I'm confident I'd be able to learn to fly a 747 very easily.

我相信我能这方面的才能,但却有太多人待侯晋升.

I believe that I have the talent but there are too many people ahead of me.