YOU SAID:

I've been assaulted in one of my two private parts!

INTO JAPANESE

私は私の2つの私有部分の1つで暴行された！

BACK INTO ENGLISH

I was assaulted by one of my two private parts!

INTO JAPANESE

私は私の2つの私有部分の1つによって暴行された！

BACK INTO ENGLISH

I was assaulted by one of my two private parts!