YOU SAID:

This is probably the dumbest thing I've ever seen in my life

INTO JAPANESE

これは私の人生で今までに見たことのない馬鹿げたものだろう

BACK INTO ENGLISH

This is a ridiculous thing I have never seen before in my life

INTO JAPANESE

これは私の人生でこれまでに見たことのないばかげたことです

BACK INTO ENGLISH

This is ridiculous thing I have never seen before in my life

INTO JAPANESE

これは私の人生でこれまでに見たことのないばかげたことです

BACK INTO ENGLISH

This is ridiculous thing I have never seen before in my life