现在才知道自己是多余的
[xiàn zài cái zhī dào zì jĭ shì duō yú de]
Translates as 'Only now I realize that I am redundant,' expressing a belated realization concerning one's place in relationships or circumstances. It points toward understanding that one's presence was unwanted or unnecessary, bringing a mix of sadness and self-realization about having served little purpose in certain aspects of life.