谁知道谁会陪谁走到最后
[shéi zhī dào shéi huì péi shéi zŏu dào zuì hòu]
This translates to 'who knows who will stay with whom until the end'. This phrase is commonly used in Chinese literature or drama scripts when discussing loyalty between two individuals, particularly regarding the ups and downs faced throughout long-lasting intimate partnerships, friendships etc.