to associate with, to keep company with, to get on with
Example sentences
彼とつきあうのは君にとってマイナスだ。
I don't think your seeing him is good for you.
私たちはよい人とは一緒につきあうけれど、悪い人とはつき合わないわ。
We mix with the good, not with the bad.
君のためになるような人達とつきあうべきだ。
You should keep company with such men as can benefit you.