Please chup for a moment while I explain.

请安静一会儿，让我解释一下。

Can you chup? I'm trying to concentrate.

你能安静吗？我在努力集中注意力。

The teacher asked the students to chup during the exam.

老师要求学生在考试期间安静。

The librarian reminded everyone to chup in the library.

图书管理员提醒大家在图书馆里要安静。

He told his little brother to chup while he was on the phone.

他告诉弟弟在他打电话时要安静。