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general::
Phrase(s): You’re (just) wasting my time.
Inf. What you have to say is of no interest to me. • Rachel: I’ve heard enough. You’re just wasting my time. Good-bye. Mary: If that’s the way you feel about it, good-bye. • Bill: Come on, Bill. I’ll show you what I mean. Bill: No, you’re wasting my time.
McGrawhill's American Idioms And Phrasal Verbs