There was a velvet portiere on the inside of this door which prevented him from seeing, but he was able to recognize the voices with a reasonable amount of accuracy.
The voices were familiar to him.
He couldn't recognize the voices.
The man is climbing the stairs
I will talk to you again, goodbye.
Woman walking to be married.
The couple is having a heated argument.
That man would rather look at you all day long than anything else.
There are dogs in the snow.