YOU SAID:
banana really not cool
INTO JAPANESE
バナナは本当にクールではない
BACK INTO ENGLISH
Bananas aren't really cool.
INTO JAPANESE
バナナはクールじゃない
BACK INTO ENGLISH
Bananas aren't cool.
INTO JAPANESE
バナナはかっこ悪い。
BACK INTO ENGLISH
Bananas are not cool.
INTO JAPANESE
バナナはカッコ悪い。
BACK INTO ENGLISH
Bananas are cool.
INTO JAPANESE
バナナはかっこいい。
BACK INTO ENGLISH
Bananas are cool.
That didn't even make that much sense in English.