A know-it-all a low blow ace be all ears bug can't make heads or tails of cool it dicey get one's wires crossed grab a bite head honcho hit the books in the red know something inside out let sleeping dogs lie lousy ok on time plastic pull someone's leg rain cats and dogs read someone's mind schmooze shoot the breeze step on it until hell freezes over. A quick study be fed up with chow down cram crash course feel puny in time know something backwards and forward make up one's mind tell a white lie two-faced wear out one's welcome what for zip your lip.
