Please put me out of my misery. How do you do it?

请别让我着急了。你是怎么做的呀？

《柯林斯英汉双解大词典》

How should you do it? How should you behave?

你该怎么做呢？你该如何表现？

youdao

Ask me if you're not sure how to do it.

你要是拿不准怎么干，就问我。

《牛津词典》

George Gershwin agreed to compose something for the concert before he realized how little time he had to do it.

VOA: special.2009.02.15

How do we have a conversation about what does it mean to be a well-rounded student at an American university today?

我们如何建立这样一个对话,就是在当今的美国大学中,如何才能成为一个全方位发展的学生？

普林斯顿公开课 - 人性课程节选

And then a lot of theory like, what is dress and how do people use it to evoke emotions and stuff, so.

有很多的理念，比如什么是连衣裙，人们怎样用它来表达情感，诸如此类。

梦想成为时装设计师 - SpeakingMax英语口语达人

The real trick is how do you check it, how do you make it reliable.

BBC: Can crowdsourcing beat the flu?

The digital format is a perfect medium for this kind of instructional book, making it easy to show people how to do something rather trying to describe how to do it.

FORBES: Tom Mylan Brings DIY Bacon to Your Mobile Device

The answers here are in how to do it, and how to measure it.

FORBES: Treat Customers Like Dates, New Book Says