我需要一个有内部知识的人来支持我的说法。

I needed someone with ___inside ___knowledge to back up my story.

他们被获得的关于当地文化的内部知识所吸引。

They were enchanted by the ___inside ___knowledge they gained about the local culture.

记者依靠内部信息来撰写这篇揭露性报道。

The journalist relied on ___inside ___information to write the exposé.