YOU SAID:

It goes without saying that hot dogs are a man’s best friend

INTO JAPANESE

ホットドッグは男性の親友であることは言うまでもない

BACK INTO ENGLISH

It goes without saying that hot dogs are male best friends

INTO JAPANESE

ホットドッグは男性の親友であることは言うまでもありません

BACK INTO ENGLISH

It goes without saying that hot dogs are male best friends