我们曾经说好的不分我们曾经说好的不离
[wŏ men céng jīng shuō hăo de bù fēn wŏ men céng jīng shuō hăo de bù lí]
'We promised never to part and always be together'. This implies a deep and broken promise in a friendship or romantic relationship, often carrying strong sentimental weight.