YOU SAID:
That was... not funny.
INTO JAPANESE
それは...面白くなかった。
BACK INTO ENGLISH
It was ... not interesting.
INTO JAPANESE
面白くなかった…。
BACK INTO ENGLISH
Oh come on. You didn't think that was funny?
INTO JAPANESE
面白くなかった?
BACK INTO ENGLISH
Oh come on. You didn't think that was funny?
That didn't even make that much sense in English.