YOU SAID:

I have a little black dress on and I just walked into the room

INTO JAPANESE

私は少し黒いドレスを着ていて、私はちょうど部屋に入った

BACK INTO ENGLISH

I was wearing a little black dress and I just went into the room

INTO JAPANESE

私は小さな黒いドレスを着ていたし、私はちょうど部屋に入った

BACK INTO ENGLISH

I was wearing a small black dress and I just got into the room

INTO JAPANESE

私は小さな黒いドレスを着ていたし、私はちょうど部屋に入った

BACK INTO ENGLISH

I was wearing a small black dress and I just got into the room