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general::
Phrase(s): Don’t even look like something!
Do not even appear to be doing something! (The something can be thinking about something or actually doing something.) • Mary: Are you thinking about taking that last piece of cake? Bob: Of course not. Mary: Well, don’t even look like you’re doing it! • John: You weren’t going to try to sneak into the theater, were you? Bob: No. John: Well, don’t even look like it, if you know what’s good for you.
McGrawhill's American Idioms And Phrasal Verbs