YOU SAID:

I did pretty darn well, huh?

INTO JAPANESE

私はかなり上手くやったね？

BACK INTO ENGLISH

I did it pretty well, right?

INTO JAPANESE

かなり上手くできましたよね？

BACK INTO ENGLISH

You did it pretty well, right?

INTO JAPANESE

あなたはそれをかなりうまくやったね？

BACK INTO ENGLISH

You did it pretty well, didn't you?

INTO JAPANESE

あなたはそれをかなりうまくやったね？

BACK INTO ENGLISH

You did it pretty well, didn't you?