我还以为我是你的谁
[wŏ hái yĭ wéi wŏ shì nĭ de shéi]
Translates roughly as 'I thought I was someone special to you'. It reflects feelings of disappointment when expectations about one's perceived importance in another's life turn out to be unmet. This phrase captures the realization after possibly overestimating a close personal connection or role within a relationship.