❶（解決を必要とする社会的・個人的）問題, 課題
a social problem
a social problem
社会問題
solve [work out] a problem
solve [work out] a problem
問題を解決する
The problem is that he can't swim at all.
The problem is that he can't swim at all.
問題は彼が全く泳げないということだ.
There is a problem with his carelessness.
There is a problem with his carelessness.
彼の不注意さに問題がある.
❷（数学・理科などの）問題
solve [do, work out] a math problem
solve [do, work out] a math problem
数学の問題を解く
類似語英語・歴史などの「問題」は question で, そういう問題に「答える」は answer.
