I will do it quite soon.

我会很快做这件事。

Okay, I got it, I will do as you said.

好的，我知道了，我会按你说的去做。

Rest assured, I will do my best to help you.

请放心，我会尽力帮助你。

She is my blood relation, so I will do my best to help her.

她是我的血族，所以我会尽力帮助她。

She said to the captain, obey your command, I will do my best.

她对队长说：“遵命，我会尽力而为。”

I will do it right away.

我马上就去做。

You can use me as a last resort, and if nobody else volunteers, then I will do it.

您可以把我作为最后的手段，如果没有其他志愿者，那么我将做这件事。

You can use me as a last resort (选择), and if nobody else volunteers, then I will do it.

你可以把我作为最后选择，如果没有其他人自愿，那么我会这么做。

I will write to you again soon and I hope you will do the same.

我很快会再给你写信，希望你也这样做。

I will do what queens do. I will rule.

我将会做女王应该做的任何事，我将会君临天下。