如果一切可以重来,我不会只在背后默默注视着你

If I could go back to the past,i won't merely gaze at you silently nor fearfully.
稍有变化，但意思整体一样

If everything can do it again, I know nothing about at the back silent look at you

If everything can do it again, I know nothing about at the back silent look at you.