YOU SAID:

i don't really understand what you had to do in this assighnment

INTO JAPANESE

私はあなたがこの暗殺のためにしなければならなかったことを本当に理解しません

BACK INTO ENGLISH

I really do not understand that you had to do for this assassination

INTO JAPANESE

私は本当にあなたがこの暗殺のためにしなければならなかったことを理解していません

BACK INTO ENGLISH

I really do not understand that you had to do for this assassination