旧事重提好比盐水染伤故人相见好比刻骨划伤
[jiù shì zhòng tí hăo bĭ yán shuĭ răn shāng gù rén xiāng jiàn hăo bĭ kè gú huà shāng]
'Revisiting Old Matters Is Like Saline Staining the Wound; Meeting Old Acquaintances Feels Like Incised Scarring' expresses feelings after meeting someone from the past - reminiscent yet hurtful, like reopening wounds from old hurts. A sense of painful but profound reunion is implied here.