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

在比赛中请不要随便走动或者大声喧哗。

Please do not walk around or speak loudly during the competition.

youdao

请不要在图书馆大声喧哗。

Please stop talking loudly in the library.

youdao

若可能的话，请小心不要造公共场所大声喧哗。

If (it's) possible, please take care not to speak loudly in public.

youdao

若可能的话，请小心不要造公共场所大声喧哗。

If (it's) possible, please take care not to speak loudly in public.

youdao