怪兽只在夜里笑妖孽只在夜里哭
[guài shòu zhĭ zài yè lĭ xiào yāo niè zhĭ zài yè lĭ kū]
This implies something mystical, contrasting the behavior of mythical creatures. The monsters laugh at night while demons cry at night, suggesting a dark and enigmatic setting filled with contrasts.