Joice: A new car! You're kidding!
Emily: No, really! And she told me the secret to winning: [whispering] wear red underwear!
Joice: Wear red underwear?! Does that really work? Are you going to try it?
Emily: Of course! I'm not only going to wear red underwear, but I'm going to wear red socks and a red shirt, too!
Joice: Gee, I don't think I own any red underwear, but I can buy some!

charm (n.) 　
咒语，护符。Something works like a charm.是说「…有奇效。」

乔伊丝：一辆新车？开玩笑！
艾蜜莉：不，是真的！而且她还告诉我致胜的秘诀：（耳语）穿红色的内衣裤！
乔伊丝：穿红内衣裤？！这真的有用吗？你会去试？
艾蜜莉：当然！我不只要穿红内衣裤，就连袜子上衣都要穿红色的！
乔伊丝：天啊，我自己没有红色的内衣裤，不过我可以去买！