想当年我是怎么认识你
[xiăng dāng nián wŏ shì zĕn me rèn shī nĭ]
'Xiang Dang Nian Wo Shi Zen Me Ren Shi Ni', meaning thinking back when I first met you. This phrase captures moments spent reflecting on initial encounters that led to friendships or romances, possibly with wonder or fondness over how fateful connections come about.