我已老你还未我仍旧你却新
[wŏ yĭ lăo nĭ hái wèi wŏ réng jiù nĭ què xīn]
This name suggests a bittersweet reflection on how time has passed; 'I have grown old but you remain young.' It expresses the contrast between the speaker who has aged, while the person being addressed still feels fresh and youthful.