Did I do something? Did I not, you know, please you?

我做了什么不对的吗？没有让你满意？

一定要给小费 - SpeakingMax英语口语达人

But if you say "Would you please do something?",

但如果你说“能请你帮我做某事吗？”

Would you please 课堂 - SpeakingMax英语口语达人

You could simply say, "Please, do something".

你可以简单地说，“请帮我做某事”。

Would you please 课堂 - SpeakingMax英语口语达人

The "would you please" pattern is a very polite, very kind and very soft way to ask somebody to do something.

would you please”句型是一种非常礼貌、友善以及委婉地请求他人做某事的方式。

Would you please 课堂 - SpeakingMax英语口语达人