哭着看我们以前的照片笑着想我们以前的回忆
[kū zhe kàn wŏ men yĭ qián de zhào piàn xiào zhe xiăng wŏ men yĭ qián de huí yì]
Crying While Looking at Old Photos, Smiling While Recalling the Memories: It reflects a mix of sorrow and happiness as one reminisces about old times, highlighting bittersweet emotions.