YOU SAID:

you'll never regret a good sweat

INTO JAPANESE

良い汗を後悔することはありません

BACK INTO ENGLISH

You won't regret good sweat

INTO JAPANESE

汗をかいて後悔することはありません

BACK INTO ENGLISH

You won't regret sweating

INTO JAPANESE

発汗を後悔しません

BACK INTO ENGLISH

I don't regret sweating

INTO JAPANESE

発汗を後悔していません

BACK INTO ENGLISH

I don't regret sweating