小手拉大手跟随你一世走大手拉小手陪伴你一世走
[xiăo shŏu lā dà shŏu gēn suí nĭ yī shì zŏu dà shŏu lā xiăo shŏu péi bàn nĭ yī shì zŏu]
It's a metaphor for lifelong companionship. It portrays an intimate scenario where two individuals support each other from childhood to old age.