考虑以下作出的修改:
“Wounds were created by someone who loved you,but didn't give you up.The more you struggled,the tighter he/she would hold you,leaving those scars!” (意译:创伤是由于爱你的人不放弃你而造成的.你越使劲挣扎,他/她抱你更紧,留给你的却是伤痕累累!)
created by 也可以用 resulted from 来代替;另外 scars 肯定是在身上的,就无需加上 in your body 了.
给你的只是大概的意思吧,