YOU SAID:
what's that? i don't understand what you mean!
INTO JAPANESE
あれは何でしょう?私はあなたがどういう意味か理解していません!
BACK INTO ENGLISH
what's that? I do not understand what you mean!
INTO JAPANESE
あれは何でしょう?あなたが何を言っているか理解できません!
BACK INTO ENGLISH
what's that? I do not understand what you are saying!
INTO JAPANESE
あれは何でしょう?あなたの言いたいことがわかりません!
BACK INTO ENGLISH
what's that? I do not know what you want to say!
INTO JAPANESE
あれは何でしょう?私はあなたが何を言いたいのかわかりません!
BACK INTO ENGLISH
what's that? I do not know what you want to say!
You've done this before, haven't you.