上课要安静用英文怎么说写
时间：
"Please be quiet during class" 是在课堂上要求学生保持安静的常用说法。"Please" 是礼貌用语，"be quiet" 是动词短语，意思是 "保持安静"， "during class" 是介词短语，意思是 "在课堂上"。
一些英文例句及其中文翻译如下：
Could you please be quiet during class? 请在课堂上保持安静好吗？
Keep the noise level down during class, please. 请在课堂上保持安静。
I need you all to be quiet during class so we can learn effectively. 我需要大家在课堂上保持安静，这样我们才能有效地学习。
来源：英语教学语境中常用的说法。
一些英文例句及其中文翻译如下：
Could you please be quiet during class? 请在课堂上保持安静好吗？
Keep the noise level down during class, please. 请在课堂上保持安静。
I need you all to be quiet during class so we can learn effectively. 我需要大家在课堂上保持安静，这样我们才能有效地学习。
来源：英语教学语境中常用的说法。