How do I form indirect questions?

间接疑问句是怎样构成的？

Ask indirect questions to get people to reveal their weaknesses and intentions.

间接的问问题来让人揭示自己的短处和意图。

They also asked indirect questions, like whether the father gave the mother money for the children and, if so, how much.

他们也间接提问，像是“父亲是否给母亲抚养孩子的钱，如果给，给多少。”

Tammet is doing well at answering my questions, even the indirect ones.

Tammet对我的问题一一作答，包括一些非直接的问题。

This answers the questions about the future of the universe in a indirect way.

这样就拐弯抹角的回答了前面关于宇宙未来的疑问。

Questions: do we go with direct questions or a more indirect approach?

提问：我们是直接提问还是绕个弯子比较好呢？