别怪我念旧他是个坎
[bié guài wŏ niàn jiù tā shì gè kăn]
This implies that the user carries lingering feelings towards an ex-lover who has left a lasting impression. It conveys a sense of longing and regret, expressing that even though moving on might be challenging, this person is still holding onto the past because it's hard to forget the impact they had.