YOU SAID:

i dont know when you did this but thats not okay

INTO JAPANESE

あなたがいつこれをしたかわかりませんが、それは大丈夫ではありません

BACK INTO ENGLISH

I don't know when you did this but it's not okay

INTO JAPANESE

いつやったか知らないけどダメだ

BACK INTO ENGLISH

i don't know when i did it but i can't

INTO JAPANESE

いつやったかわからないけどできない

BACK INTO ENGLISH

i don't know when i did it but i can't