YOU SAID:
you have got to be joking me
INTO JAPANESE
あなたは私を冗談にしなければならない
BACK INTO ENGLISH
You have to make me a joke
INTO JAPANESE
あなたは私をジョークにしなければなりません
BACK INTO ENGLISH
You must make me a joke
INTO JAPANESE
あなたは私をジョークにしなければなりません
BACK INTO ENGLISH
You must make me a joke
You've done this before, haven't you.