Examples of using "знакомого" in a sentence and their english translations:
Yesterday I saw an old acquaintance whom I hadn't seen in ten years.
He's like a brother to me: the uncle's cousin's nephew of a friend of mine.
It's best to translate from a foreign language you know into your own native language.
If you want to get a picture in some beautiful place and there are only strangers nearby, then ask some fat person to help you. Then you can be assured that he won't run away with your camera.