YOU SAID:
Mariners are not hard to please
INTO JAPANESE
マリナーズは喜ぶのは難しいことではありません
BACK INTO ENGLISH
Mariners are not hard to rejoice
INTO JAPANESE
マリナーズは喜ぶのは難しいことではありません
BACK INTO ENGLISH
Mariners are not hard to rejoice
That didn't even make that much sense in English.