Why then had he not told her about the part?

And most likely she didn't need to show him about the part he wasn't saying.

I asked them about the later part and they told me.

Did you ask him about that part of the problem?

He never told me a lot about that part of his life.

I didn't let myself think too much about that part of the job.

"We get to see and learn about different parts of the world."

He might ask me about the fire and my part in it.

I can tell you feel bad about your part in this.

He did not look very happy about that part of it.