The rest would blur, like a watercolor that's gotten wet around the edges.

其余部分就将变的模糊，就像水墨画中边界受潮一样。

youdao

If you took a snapshot of your vision, only this tiny, central area would be like a photo. The rest would blur, like a watercolor that's gotten wet around the edges.

如果将你的视野进行快照，只有这微小的中间区域像一张照片，而其它的会很模糊，就像边缘弄湿的水彩画样。

youdao