I hope you do continue to try English (because I'm selfish, and would like to read more!).

I see this as an adult speaking to her inner child, who has luckily escaped the painful life the adult is left with. That final stanza has both a threat and compassion: the adult does not want to hurt the child, but she knows that she will if she catches her.

I love the depiction of painful memories as a dagger covered in blood.

The line "she as letters there", suggests both memories (akin to old letters) and the idea that the inner child still has the tools of language in the adult, and could perhaps at some point speak (or write) and tell her story.

I hope that's true.