problem (EN)
名詞、形容詞

名詞 “problem”

sg. problem, pl. problems
  1. 問題
    Solving the math problem took her the entire afternoon.
  2. 課題
    For homework, the teacher assigned ten math problems to practice our multiplication skills.
  3. 受け入れがたいこと(その人にとっての)
    If he can't see your point of view, that's his problem, not yours.

形容詞 “problem”

problem, non-gradable
  1. 扱いにくい(人や動物について)
    The problem horse refused to follow any of the trainer's commands.