big

In a sentence

• O cachorro grande correu pelo parque.

  The big dog ran through the park.

  Here, 'grande' modifies the noun 'cachorro' (dog) to describe its size and follows the noun.

• Naquela época, ele tinha grandes sonhos.

  At that time, he had big dreams.

  In this sentence, 'grandes' is used before the noun 'sonhos' (dreams) to denote importance rather than physical size.

• A oferta era grande demais para recusar.

  The offer was too big to refuse.

  'Grande' here functions to describe the extent or significance of the noun 'oferta' (offer).