轻描淡写浓装素抹
[qīng miáo dàn xiĕ nóng zhuāng sù mŏ]
It means to speak or write lightly about something significant (like brushing over things without due seriousness), while also having the contrasting concept of dressing up flamboyantly or choosing a simple and natural look. It can represent a dual persona with two different attitudes towards expressing themselves.