YOU SAID:
jack sprat could eat no fat his wife could eat no lean
INTO JAPANESE
ジャックスプラットは彼の妻が赤身を食べることができなかった脂肪を食べることができませんでした
BACK INTO ENGLISH
Jack Spratt could not eat fat his wife could not eat lean meat
INTO JAPANESE
ジャック・スプラットは脂肪を食べることができなかった彼の妻は赤身の肉を食べることができませんでした
BACK INTO ENGLISH
Jack Spratt could not eat fat His wife could not eat red meat
INTO JAPANESE
ジャック・スプラットは脂肪を食べることができなかった彼の妻は赤身の肉を食べることができませんでした
BACK INTO ENGLISH
Jack Spratt could not eat fat His wife could not eat red meat
That didn't even make that much sense in English.