You bet!

当然！

Can you give me a hand?

你能帮个忙吗？

I'm mad at myself.

我生自己的气。

I tried calling you several times yesterday but I couldn't get through.

我昨天给你打了几次电话，但都没有打通。

A chance may come up soon.

一个机会可能会很快出现。

I'm about ready.

我差不多准备好了。