How to say “She's the kind of person who makes a plastic cup look elegant, so imagine her with a real wine glass.” in Japanese
In Japanese
彼女って紙コップでも上品に見えちゃう人だから、本物のワイングラスなんか持たせたらすごいよ。
Kanojo tte kamikoppu demo jōhin ni miechau hito dakara, honmono no waingurasu nanka motasetara sugoi yo.