It means that you once again deeply hurt my heart and made me lose my guard.

According to QQ Music, this sentence expresses a feeling of loss and disappointment, implying that the speaker has been hurt in previous relationships and feels powerless about the same thing happening again. This sentence comes from the song "Infatuation Absolute". "You forced me back again, and I was on guard. Close the door quietly and count my tears. I know that it is impossible for you to leave his world."

"Absolute Infatuation" is sung by Li Shengjie The song, written and composed by Cai Bonan, is included in Li Shengjie's album of the same name, "Infatuation Absolute", released on June 27, 2002.