我会和你一生相随再也不会知难而退
[wŏ huì hé nĭ yī shēng xiāng suí zài yĕ bù huì zhī nán ér tuì]
Translating to 'I will follow you for my whole life and never retreat in face of difficulties,' it symbolizes lifelong dedication to staying with someone or supporting someone through thick and thin, showing unwavering resolve and loyalty.