YOU SAID:

i ate a birthday cake today. it was not my birthday, i stole it from a child.

INTO JAPANESE

今日はバースデーケーキを食べました。それは私の誕生日ではなかった、私は子供からそれを盗んだ。

BACK INTO ENGLISH

I had a birthday cake today. It wasn't my birthday, I stole it from my child.

INTO JAPANESE

今日はバースデーケーキを頂きました。それは私の誕生日ではなかった、私は子供からそれを盗んだ。

BACK INTO ENGLISH

I had a birthday cake today. It wasn't my birthday, I stole it from my child.