problem (EN)
substantivo, adjetivo

substantivo “problem”

sg. problem, pl. problems
  1. problema
    Solving the math problem took her the entire afternoon.
  2. questão
    For homework, the teacher assigned ten math problems to practice our multiplication skills.
  3. problema (com a aceitação de algo)
    If he can't see your point of view, that's his problem, not yours.

adjetivo “problem”

problem, non-gradable
  1. problemático
    The problem horse refused to follow any of the trainer's commands.