adjectiu serious grave honrat honest , upright formal responsible , reliable vestit formal malaltia grave , serious color sober decent proper posar-se seriós to become serious , look serious tenir un posat seriós to have a straight face FALSOS AMICS Busquem una persona seriosa per a cuidar els nostres fills a les tardes després d’escola We’re looking for a reliable person to look after our children after school