是你苍老了我的等待
[shì nĭ cāng lăo le wŏ de dĕng dài]
Implying that waiting for the other has caused him or her to age emotionally. It suggests the duration and depth of his or her waiting or longing for another, leading the wait itself almost become the defining factor of one's state, reflecting intense dedication, devotion and sacrifice of oneself into the waiting process over time, ultimately leading oneself growing old in vain