The question is when to stop.
問題はいつやめるかだ
the question of welfare
福祉の問題
The questions are too difficult for 10-year-olds.
その問題は１０歳児には難しすぎる
The report only touches on the problem in a superficial manner.
このレポートはその問題にさっと触れているだけだ
the resolution of a question
問題の解決
the reverse of the medal
メダルの裏面，((比喩的に))問題のもう一面
the root cause of the problem
問題の根本的原因
The rule is not applicable to the case in question.
その規則は問題のケースには当てはまらない
The sea is often the subject of his paintings.
海は彼の絵画の主題だ
The solution of this problem precedes all other things.
この問題の解決は他のすべてのことに優先する
