YOU SAID:

i think you're quite stunning

INTO JAPANESE

私はあなたがかなり素晴らしいと思います

BACK INTO ENGLISH

I think you are pretty nice

INTO JAPANESE

私はあなたがかなりいいと思います

BACK INTO ENGLISH

I think you are pretty good

INTO JAPANESE

私はあなたがかなり良いと思います

BACK INTO ENGLISH

I think you are pretty good