月色下肆无忌惮的浅谈阳光下歇斯底里的轻笑
[yuè sè xià sì wú jì dàn de qiăn tán yáng guāng xià xiē sī dĭ lĭ de qīng xiào]
Under the moonlight is casual chatting while in the sunlight, there is hysterical laughing. This suggests how different aspects and moods present at night compared to the day.