准备做某事用英语表达是：intend to do sth；

intend：v. 打算; 计划; 想要; 意指。

do：v. (以某种方式)做; 办(某事); 行动; 表现; (问询或谈论时用)进展。

What do you intend to do today?

你今天打算做什么？

It is still far from clear exactly what the Thais intend to do.

现在还完全不清楚泰国人究竟想做什么。

One should never intend to do harm to others, but should always guard against the harm others might do to him.

害人之心不可有，防人之心不可无。

Please let us know what you intend to do in this matter.

你方打算怎么处理，请告知。

I also intend to do show that desire myself individually.

我也会尽力证明自己的能力。