YOU SAID:
I DON'T UNDERSTAND THE RULES OF THIS STUPID GAME
INTO JAPANESE
私はこの愚かなゲームのルールを理解していません
BACK INTO ENGLISH
I do not understand the rules of this stupid game
INTO JAPANESE
私はこの愚かなゲームのルールを理解していない
BACK INTO ENGLISH
I do not understand the rules of this stupid game
You've done this before, haven't you.