Chinese phrase
不要大声喧哗 bú yào dà shēng xuān huá
Meaning
Please do not make loud noises here
When to use it
This phrase asks people to be quiet in a specific place. It is a polite notice for public areas and shared facilities.
Example dialogue
墙上写着：不要大声喧哗。 qiáng shàng xiě zhe bú yào dà shēng xuān huá
There is a notice on the wall saying, Do not make loud noises here.
哦，知道了，我们会小声点。 ó zhī dào le wǒ men huì xiǎo shēng diǎn
Oh, I see. We will keep our voices down.