YOU SAID:
I am a big girl who wears big girl undies
INTO JAPANESE
私は大きな女の子の下着を身に着けている大きな女の子
BACK INTO ENGLISH
I'm a big girl wears big girl underwear
INTO JAPANESE
私は大きな女の子の身に着けている大きな女の子下着
BACK INTO ENGLISH
I was wearing a big girl with big girl underwear
INTO JAPANESE
大きな女の子大きな女の子の下着を着ていた
BACK INTO ENGLISH
Big girl was wearing big girl underwear
INTO JAPANESE
大きな女の子が大きな女の子の下着を着ていた
BACK INTO ENGLISH
Big girl was wearing big girl underwear
Yes! You've got it man! You've got it