I have faith in you.

我对你有信心。

I anticipate your success.

我期待着你的成功。

I'm sure we'll win.

我敢肯定我们会赢。

I'm very optimistic about our chances of success.

我觉得我们获胜的机会很大。

Your work is bound to be successful.

你一定会成功的。

I have every confidence in my success.

我有信心，我一定会成功的。

I'm full of optimism for the future.

我对未来十分乐观。

There's nothing to worry about.

没有什么可担心的。

Things will turn out all right.

一切都会好起来的。

Everything will come up roses.

一切都会圆满结束的。