narrow down

become narrowbecome limitedreduce变窄;缩小;减少

The path has narrowed down a lot since I was last here.自我上次到这里以来,这条路已窄了许多。

The selection committee has narrowed down the original pile of applications to just these five.选拔委员会已把原来的一大堆申请书缩小到这5份了。

The whole question narrows down to who is going to pay for all the damage.整个问题只剩下该由谁来赔偿损失了。

They have narrowed the search down to this area of the town.他们已把搜查范围缩小到该市的这个地区。