“你听到噪音了吗？” “没有，你是在胡思乱想。”

"Did you hear a noise?" "No, you're ___imagining things."

我听不到任何声音——你一定是想象出来的。

I don't hear anything - you must be ___imagining it.

我转过身，但没看到任何人，所以我想是我幻想出来的。

I turned back but I didn't see anyone, so I thought that I had ___imagined it.