时光允我伴你到老光阴许我陪你变老
[shí guāng yŭn wŏ bàn nĭ dào lăo guāng yīn xŭ wŏ péi nĭ biàn lăo]
'时光允我伴你到老光阴许我陪你变老' implies that time grants permission for two people who deeply care about each other to spend their whole lives together. Both '时光(S时光higuang)' meaning Time, symbolically suggest destiny, showing the desire for long-lasting affection that withstands time’s passage.