walk through: 敷衍了事地处理，走过场
Actors passing through the corridor take a virtual walk through memory and reality.
演员走过走廊时，仿佛一边是回忆，一遍是现实。

reflex: （条件）反射
I turned to look inside the house in a reflex action.
我习惯性地转过身往房子里看了看。

catch on: 理解
Wait a minute! I'm beginning to catch on.
等一下！我开始有点懂了。

for instance: 例如
For instance, they tend to have high unemployment rates.
比如说，这个群体的失业率往往较高。