我伴你生老病死
[wŏ bàn nĭ shēng lăo bìng sĭ]
'Wǒ bàn nǐ shēng lǎo bìng sǐ' means 'I will accompany you through life, old age, sickness, and death'. This is a deep expression of unwavering companionship and loyalty, implying a promise to be with someone no matter what happens, through all stages of life including the hardest ones. It reflects a profound commitment.