1
question (e.g. on a test);problem
あなたはどのようにしてその問題を解いたのですか。
How did you solve the problem?
2
problem (e.g. societal, political);question;issue;subject (e.g. of research);case;matter
3
question (i.e. doubt)
4
public discussion;controversy
5
trouble;problem;inconvenience;difficulty