▲句中的 up 为副词，show up 为“动词+副词”型短语动词，其主要用法如下：

(1)(如期)到达

It was getting late when she finally showed up. 天色已晚，她终于赶到了。

It was ten o’clock when he finally showed up. 10点钟时他终于到了。

(2)显眼，显露，变得明显

The writing didn’t show up very well on yellow paper. 笔迹在黄色的纸上不太醒目。

The harsh light showed up the lines on her face. 在耀眼的光线下，她脸上的皱纹清晰可见。

(3)使尴尬，使人丢脸

 She says I showed her up in front of her friends when they came to the house. 她说她朋友来家里时，我让她在他们面前丢脸了。

▲原句句意：

The link between dreams and emotions shows up among the patients.

梦和情绪之间的联系在病人身上显露出来了。