时过境迁你已不在念我物是人非你已不在爱我
[shí guò jìng qiān nĭ yĭ bù zài niàn wŏ wù shì rén fēi nĭ yĭ bù zài ài wŏ]
Translating to 'With the passage of time and changing circumstances, you no longer remember me; things have changed but your love for me has faded.' A sentimental phrase reflecting heartache over time and lost love.