Английский словарь американских идиом - know one's way around

or know one's way about {v. phr.} 1. To understand how things happen in the world; he experienced in the ways of the world. * /The sailor had been in the wildest ports in the world. He knew his way around./ Compare: HAVE BEEN AROUND. 2. or {informal} know one's onions or know one's stuff To have experience and skill in an activity. * /Before trying to make any pottery, it is better to get advice from someone who knows his stuff in ceramics./ Compare: DRY BEHIND THE EARS.