YOU SAID:

I have never seen this man in my life.

INTO JAPANESE

私は私の人生でこの男を見たことがありません。

BACK INTO ENGLISH

I have never seen this guy in my life.

INTO JAPANESE

この人をみたことがない

BACK INTO ENGLISH

I have never seen this guy before in my life.

INTO JAPANESE

この人をみたことがない

BACK INTO ENGLISH

I have never seen this guy before in my life.