禁止喧哗用英语怎么说

禁止喧哗用英语怎么说：No noise please.

1. Please keep quiet in the library. 禁止喧哗，图书馆内请保持安静。

2. This is a quiet zone, please refrain from making loud noises. 这里是安静区，请勿大声喧哗。

3. We kindly ask that you keep noise levels to a minimum. 我们恳请您保持噪音水平最低。

4. Noisy behavior is not allowed in this area. 本区域不允许有嘈杂行为。

5. Please be considerate of others and keep noise to a minimum. 请考虑他人，保持噪音最低。