淡淡的回想我们的过去慢慢地想念我们的过往
[dàn dàn de huí xiăng wŏ men de guò qù màn màn dì xiăng niàn wŏ men de guò wăng]
This signifies gentle reminiscence and slow yearning for past times shared with someone, evoking nostalgia and sentiment for memories gone by, often with a sense of longing or loss.