gros chien
examen difficile
Bons amis
Nouvelle étudiante
Cheveux raides
Étudiants frères
Garçon naif
Vraie amie
Mauvaises copines
Fille sérieuse
Most adjectives are placed after the noun being described like article, noun, adjective but there are exceptions.
Many use an acronym like BRAGS, BANGS, BAGS, etc. to help remember these go before the noun: beauty, age, size, number, good/bad, or rank.