Please do it at your leisure.

请你在空暇时间做一下。

《新英汉大辞典》

OK, please do it follow me.

好，现在，请你跟我这样做。

youdao

Please do it as quickly as possible.

请尽快核对。

youdao

Please do it carefully, and I might even hand out a little bit of a study guide to help you with that.

希望大家认真阅读,我会发学习指南，来帮助大家。

耶鲁公开课 - 旧约导论课程节选

So, if you want to go at 1:00, you're welcome to do so, but please arrange it with my assistants.

如果你想去上1点的课，也可以，但是一定要和我的助教安排一下。

麻省理工公开课 - 固态化学导论课程节选

We will be talking about papers in the section.It will be helpful to you it will also give you a chanceto talk about these books so please do go.

我们下节课会讨论你们的论文，这对你们很有用,也给你们机会讨论这些书，所以请你们一定要来。

耶鲁公开课 - 1945年后的美国小说课程节选

Please do it to improve the morale of your female officers and give their daughters a better understanding of their options in life.

CNN: The invisible women who hunt terrorists

And if you have, please do it again.

CENTERFORSECURITYPOLICY: Center for Security Policy | In 2009 paper, Hagel called for multinational force in Judea and Samaria

Emitting carbon is expensive so will you all please do less of it?

FORBES: Australia's Carbon Tax: Now They're Being Silly