YOU SAID:

Not tough to understand it as tennis

INTO JAPANESE

テニスとして理解するのは難しくない

BACK INTO ENGLISH

It's not hard to understand as tennis

INTO JAPANESE

テニスとして理解することは難しくありません

BACK INTO ENGLISH

Not difficult to understand as tennis

INTO JAPANESE

テニスとして理解することは難しくありません

BACK INTO ENGLISH

Not difficult to understand as tennis