YOU SAID:
I'm gonna punish you!
INTO JAPANESE
私はあなたを罰するつもりです!
BACK INTO ENGLISH
I will punish you!
INTO JAPANESE
罰してやる
BACK INTO ENGLISH
I will punish you.
INTO JAPANESE
罰してやる
BACK INTO ENGLISH
I will punish you.
That didn't even make that much sense in English.