你是我经年难遇的劫我是你垂宿已久的敌
[nĭ shì wŏ jīng nián nán yù de jié wŏ shì nĭ chuí sù yĭ jiŭ de dí]
It means 'You are the calamity that comes once in a long time; I am the longstanding enemy of yours.' Reflecting on each other as inevitable adversities that have lingered long enough.