谁会为我唱十年我会为你唱十年
[shéi huì wéi wŏ chàng shí nián wŏ huì wéi nĭ chàng shí nián]
Based on a very famous Chinese song titled 'Ten Years', the phrase here refers to deep and lasting companionship or love, suggesting willingness and capability of devoting an immense amount of emotional time, effort for another person.