He can do that with indirect questions.

他可以用间接问句做到这一点。

This is an example of an indirect question which indirect questions are often used to make polite suggestions.

这是一个间接提问的示例，间接提问通常用于提出有礼貌的建议。

But indirect questions are more polite and a little more formal.

但是间接问句更有礼貌，也更正式一点。

You use indirect questions when you want to sound more polite.

当你想听起来更有礼貌时，可以使用间接疑问句。

Indirect questions don't use 'do', 'does' and so on as an auxiliary verb.

间接疑问句不要使用“ do”、“ does”诸如此类的来作助动词。

An indirect question starts with a polite phrase like 'Can you tell me… ' or 'Do you know… '

间接疑问句以礼貌短语开头，像是“Can you tell me… ”或“Do you know… ”。

However if you do really need to know this information for some specific reason then make it an indirect question to make it more polite.

但是，如果你确实确实出于某些特定原因需要了解这些信息的话，请问的委婉一点，听起来更加礼貌。

So, to review, the topics covered in level three are: indirect questions, 'do' as an auxiliary verb, negative infinitives, 'do' versus 'make', and fixed phrases with 'do'.

让我们来回顾一下，第三级别涉及的主题是：间接疑问句，“do”做为一个助动词、否定不定式，“do”与“make”以及带有“do”的固定词组。

It's just another question that you should probably avoid but if you do have to ask and not in the first conversation but maybe in a later conversation then again, try making it an indirect question.

这是你可能应该避免的另一个问题，但是如果你必须要问的话，不过不是在第一次对话中问，而是在以后的对话中，请问得间接一点。