She can no longer distinguish real life from her work in show business.
"I only wanted to see if you could distinguish the land from the water."
But people also use language to distinguish themselves from others.
Very often is quite difficult to distinguish one from the other.
No way were they hard to distinguish one from the other.
And who is to distinguish such a process from the state of war?
With years of data, it seems possible to distinguish good teachers from poor ones.
But there seemed to be no way to distinguish one from the other.
There was nothing to distinguish the two women from any of the others about them.
That was all she could distinguish from her view on the ground.