YOU SAID:
This site is useless and pointless.
INTO JAPANESE
このサイトは役に立たないと意味がないです。
BACK INTO ENGLISH
This site is useless and doesn't make sense.
INTO JAPANESE
このサイトは役に立たないと意味をなさない。
BACK INTO ENGLISH
This site is useless and no sense.
INTO JAPANESE
このサイトは役に立たないと意味がありません。
BACK INTO ENGLISH
This site is useless and doesn't make sense.
INTO JAPANESE
このサイトは役に立たず、意味がありません。
BACK INTO ENGLISH
This site is useless and doesn't make sense.
Come on, you can do better than that.