What do the lyrics of the song "Sis is the most draggy" mean?

Sister just so dragged song "sister most dragged" lyrics mean: If you love me, then sincere treatment, do not sway between me and her, if you do not love, please put your hand to let go, without you I live like a wonderful. Sister most drag" singer: Tang Yan, album: "you are not my dishes" lyrics, Ma Tianyou music, Zhang Kaoliang original song.