they [ðeɪ]
pronoun
2 (referring to particular people, things) (emphatic, to avoid ambiguity) ellosellas;ellas
we went to the cinema but they didn't nosotros fuimos al cine pero ellos no; I spoke to my sisters and they agreed with me hablé con mis hermanas y ellas estaban de acuerdo conmigo; it's they who ... son ellos quienes ...; we work harder than they do trabajamos más que ellos
Don't translate the subject pronoun when not emphasizing or clarifying:
they're fine, thank you están bien, gracias; they're yellow son amarillos
they who ... los que ...; quienes ...