A problem, trouble, or worry someone is facing that typically requires help or a solution.
困りごとがあったら遠慮せずに相談してね。
If you have any problems, don't hesitate to talk to me.
市役所では高齢者の困りごとに対応する窓口があります。
The city office has a desk that deals with problems faced by elderly people.
授業での技術的な困りごとは、教員に連絡してください。
If you have technical problems with the class, please contact the instructor.
最近の一番の困りごとは子どもの夜泣きだ。
My biggest problem lately is my child's nighttime crying.