upstairs [ˈʌpˈstɛəz]
adverb
arriba "where's your coat?" — "it's upstairs" —¿dónde está tu abrigo? —está arriba; the people upstairs los de arriba; to go upstairs subir (al piso superior); he went upstairs to bed subió para irse a la cama; to walk slowly upstairs subir lentamente la escalera
