It is high time that something were done upon it.

It is high time that something were done upon it.
It is high time that something were done upon it.

It is high time that something were done upon it.
是时候了,该对这个采取措施了.
high time 表示"紧迫时机",后面的从句用过去时(实际上是虚拟语气),表示将要做的事情.

这时候是使用它的高峰期

这是某样东西被在它上做的适宜时机

It is high time that something were done upon it.
有些事情必须要做了。

针对它是时候做某事了
it's high time+过去式是虚拟语气

done upon it 不是在它上的意思
It is high time that something were done upon it. ＝ 处理(针对)这事情正是时候了！

这是某事完成在它的最佳时间。