They came to town and they set up shop with instruments,他们来到镇上，设立起工作室设置好设备

set up:建立

It is now our aim to set up a factory.

我们现在的目的是创办一座工厂。

they're sort of hidden away and tucked away他们算是隐居其中

sort of:有几分地

That would sort of ruin the point.

那会有几分破坏的意图。

hide away:藏起

Why you hide away so much inside.

为何你把自己藏这么深。

tuck away:隐居

The farm was tucked away in the hills.

那个农场隐蔽在群山之中。

Now that they had narrowed down the time window现在既然已经缩小了时间范围

narrow down:减少； 限制； 缩小； 变窄

The river has narrow down over the past 20 years.

这条河在过去的二十年变窄了许多。

I cannot narrow down the rules for this game.

我不能限制这场比赛的规则。