This is the 5329th most frequent Portuguese word.
refinar
To refine or improve.
Here, "refinar" is used to indicate the act of improving or making a skill more precise or effective.
Eu preciso refinar minha técnica de pintura.
I need to refine my painting technique.
In this context, "refinar" means to purify or clean a substance to remove impurities.
Nós usamos um filtro especial para refinar a água da torneira.
We use a special filter to refine the tap water.
"Refinar" in this sentence refers to the process of developing, enhancing, or making more sophisticated an individual's sense or preference.