Examples of using "знакомое" in a sentence and their english translations:
That sounds familiar.
It's nice to see a familiar face.
Just go to a place you already know is good.
This sounds familiar.
He has a very familiar face.
and I noticed a familiar name on the door downstairs.
"Do you know anything about Galileo Galilei?" "I've heard the name before, but what was it that he did?"