猜不透你忽冷忽热地情绪
        
            [cāi bù tòu nĭ hū lĕng hū rè dì qíng xù]
        
        
            'I Can't Understand Your Hot and Cold Moods'. It reflects frustration with someone who displays unpredictable emotional behavior. The user might feel confused and helpless dealing with such person's moods.