YOU SAID:
Why would we do that?
INTO JAPANESE
なぜ そう思うの?
BACK INTO ENGLISH
Why would it?
INTO JAPANESE
どうして?
BACK INTO ENGLISH
why?
INTO JAPANESE
なぜ?
BACK INTO ENGLISH
[Why?]
INTO JAPANESE
[なぜですか?]
BACK INTO ENGLISH
[Why?]
That didn't even make that much sense in English.