外面什么都没有——这只是你的想象。

There's nothing out here - it's just your ___imagination.

这位作者的新书真的抓住了公众的想象力。

The author's new book really caught the public's ___imagination.

我以为我听到了声响，但也许那只是我的想象。

I thought I heard a noise, but maybe it was just my ___imagination.