mix something with something
combine something with something

Or perhaps you don't get out much to mix with the rest of us?

But she had one daughter, at least, who could mix with the best of them.

We just want to mix the old with the new.

I don't want to be mixed up with your plans.

He was always getting mixed up with some woman or other.

They have mixed with the local groups of the areas.

She did not want to be mixed up with them.

He did not want his Company mixed with the others.

She had never mixed with the girls as one of themselves.

How do you come to be mixed up with us?