This is the 239th most frequent Portuguese word.
problema
A difficult or unpleasant situation requiring a solution; a problem.
In this sentence, the plural 'problemas' refers to mathematical, technical, or conceptual challenges, often requiring intellectual effort to resolve.
Resolver problemas desafiadores é algo que eu gosto de fazer.
Solving challenging problems is something I enjoy doing.
Here, 'problema' is used to describe a specific issue or difficulty faced regarding the computer's sound system.
Eu tenho um problema com o som do meu computador.
I have a problem with the sound of my computer.
Here, 'problema' is the referential focus of a linguistic observation, highlighting its gender and form in the context of grammar discussion.