Kalmar "Belle de nuit" jimlar Faransa ce da ke fassara zuwa "kyawun dare" a cikin Turanci. Ana amfani da ita sosai don komawa ga furen da aka sani da Furen Karfe Hudu ko Marvel na Peru (Mirabilis jalapa), wanda ya fito ne daga yankuna masu zafi na Kudancin Amurka. An san furen don furanni masu ban sha'awa da ƙamshi waɗanda ke buɗewa da yamma ko yamma, don haka sunan "kyawun dare." Duk da haka, "Belle de nuit" kuma za a iya amfani da shi gabaɗaya don kwatanta wani abu ko wani mai jan hankali, mai ban sha'awa, ko ban sha'awa, musamman a yanayin dare ko maraice.