YOU SAID:
Today is the best day I've ever had in 25 years!
INTO JAPANESE
今日は25年ぶりの最高の一日です!
BACK INTO ENGLISH
Today is the greatest day in 25 years!
INTO JAPANESE
今日は25年ぶりの最高の一日です!
BACK INTO ENGLISH
Today is the greatest day in 25 years!
That didn't even make that much sense in English.