黑夜难熬日夜颠倒
        
            [hēi yè nán áo rì yè diān dăo]
        
        
            'Hard Nights with Days and Nights Reversed' is a phrase to describe someone whose day-night rhythm is out of sync, possibly because of shift work, jet lag, or just personal habits. It conveys a sense of struggle or discomfort associated with this condition.