Desiree Mayette Gamayon u mean the fanchant for each member? Sowon: Queen of stepping down from car EUNHA: "tallest" double chin Yerin: strongest ginseng SinB: queen for kids ( i think because she hosted kid programme) umji: princess of thumb Yuju: Angel vocal and the last long was sang in Taiwanese dialect "台语”, it was not "Mandarin" which is common for chinese in worldwide. I've tried my best to translate, hope it would satisfied u. :D
the original song was sang by 张惠妹, a female singer which is very famous for chinese. song title was ”梦中做憨人”. you can just copy the Chinese words and search in RU-vid or Google. :D