YOU SAID:

I don't know how long I can keep her from hurting herself!

INTO JAPANESE

いつまで彼女自身を傷つけないようにできるか分からない!

BACK INTO ENGLISH

I don't know how long I can avoid hurting herself!

INTO JAPANESE

いつまで彼女自身を傷つけるのを免れられるか分からない!

BACK INTO ENGLISH

I don't know how long I can avoid hurting herself!