请不要大声喧哗。

Please don't be noisy.

youdao

在会场内采访期间，请关闭手机，请不要经常起身照相或来回走动，请不要大声喧哗。

Please turn off your cell phones in the venue. Please do not frequently stand up for photo taking, or walk back and forth down the aisle, or talk in a loud voice.

youdao

请自觉维护参观秩序，听从工作人员引导，馆内严禁吸烟和使用明火，请不要大声喧哗，个人贵重物品请妥善保管，以免丢失或被盗。

Please keep order and follow staff instructions, take good care of personal valuables. Do not speak loudly. Do not smoke and use fire in the museum.

youdao