告诉我发生了什么事——我离开了一个月，已经与世隔绝了。

Tell me what's been going on - I've been away for a month and ___out ___of ___touch.

一些年纪较大的老师完全不了解他们的学生。

A few of the older teachers are completely ___out ___of ___touch with their students.

更糟糕的是，有些人甚至可能陷入虚拟世界，与现实世界脱节。

In much worse cases, some individuals may even be trapped in the virtual world and get ___out ___of ___touch with the real one.