YOU SAID:
Hotdog, what are you doing?
INTO JAPANESE
ホットドッグ、何をしているか。
BACK INTO ENGLISH
Hot dogs, what?
INTO JAPANESE
ホットドッグ、何ですか?
BACK INTO ENGLISH
What are the hot dogs?
INTO JAPANESE
ホットドッグとは何ですか。
BACK INTO ENGLISH
What is a hotdog?
INTO JAPANESE
ホットドッグとは何ですか。
That didn't even make that much sense in English.