YOU SAID:
This is the most anime thing I have seen in my life.
INTO JAPANESE
これは私の人生で見たほとんどのキャラクターのことです。
BACK INTO ENGLISH
This is the character most in my life I saw that.
INTO JAPANESE
これは私の人生で最もよく見たものです。
BACK INTO ENGLISH
This is the most common thing in my life.
INTO JAPANESE
これは私の人生で最も一般的なことです。
BACK INTO ENGLISH
This is the most common thing in my life.
That didn't even make that much sense in English.