看不到伤痕 couldn't see the score

轻触不悦的伤痕 Picking at a worried seam

依旧不知道伤痕 still don't know the score

谁的青春不曾有过伤痕 Who never had a scar of youth

无刮痕不伤涂层 no scratches and no damage to the coating

不可治愈的伤痕 incurable trauma