YOU SAID:

I've never in my life worked with someone so unpredictable.

INTO JAPANESE

私は人生でこれほど予測不可能な人と仕事をしたことはありません。

BACK INTO ENGLISH

I have never worked with such unpredictable people in my life.

INTO JAPANESE

私の人生でこのような予測不可能な人々と仕事をしたことはありません。

BACK INTO ENGLISH

I have never worked with such unpredictable people in my life.