To ask a question — to inquire about something you want to know or don't understand; commonly used in classes, meetings, and conversations.
授業中にわからないところがあれば、遠慮せずに質問をしてください。
If you don't understand something during class, please don't hesitate to ask questions.
面接の最後に質問をする時間がある。
There will be time at the end of the interview to ask questions.
わからないことがあれば、メールで質問をすることもできます。
If you have any questions, you can also ask them by email.