YOU SAID:
i wish she wasn't so good looking
INTO JAPANESE
彼女があまり格好良くなかったらいいのに
BACK INTO ENGLISH
I wish she wasn't very cool
INTO JAPANESE
彼女があまりかっこよくなかったらいいのに
BACK INTO ENGLISH
I wish she wasn't very cool
That didn't even make that much sense in English.