YOU SAID:
I can not, for the life of me understand the purpose of this game.
INTO JAPANESE
私はこのゲームの目的を理解できない
BACK INTO ENGLISH
I don't understand the purpose of this game
INTO JAPANESE
このゲームの目的がわからない
BACK INTO ENGLISH
I don't understand the purpose of this game
You've done this before, haven't you.